writefreely/database.go
Matt Baer 6b336e22aa Log user out when authenticated as deleted user
Now when we check for the user at certain times and find that the user
doesn't exist in the database, we log them out and send them back to
the home page.
2021-06-27 17:57:07 -04:00

2814 lines
86 KiB
Go

/*
* Copyright © 2018-2021 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"context"
"database/sql"
"fmt"
"github.com/writeas/web-core/silobridge"
wf_db "github.com/writefreely/writefreely/db"
"net/http"
"strings"
"time"
"github.com/guregu/null"
"github.com/guregu/null/zero"
uuid "github.com/nu7hatch/gouuid"
"github.com/writeas/activityserve"
"github.com/writeas/impart"
"github.com/writeas/web-core/activitypub"
"github.com/writeas/web-core/auth"
"github.com/writeas/web-core/data"
"github.com/writeas/web-core/id"
"github.com/writeas/web-core/log"
"github.com/writeas/web-core/query"
"github.com/writefreely/writefreely/author"
"github.com/writefreely/writefreely/config"
"github.com/writefreely/writefreely/key"
)
const (
mySQLErrDuplicateKey = 1062
mySQLErrCollationMix = 1267
mySQLErrTooManyConns = 1040
mySQLErrMaxUserConns = 1203
driverMySQL = "mysql"
driverSQLite = "sqlite3"
)
var (
SQLiteEnabled bool
)
type writestore interface {
CreateUser(*config.Config, *User, string, string) error
UpdateUserEmail(keys *key.Keychain, userID int64, email string) error
UpdateEncryptedUserEmail(int64, []byte) error
GetUserByID(int64) (*User, error)
GetUserForAuth(string) (*User, error)
GetUserForAuthByID(int64) (*User, error)
GetUserNameFromToken(string) (string, error)
GetUserDataFromToken(string) (int64, string, error)
GetAPIUser(header string) (*User, error)
GetUserID(accessToken string) int64
GetUserIDPrivilege(accessToken string) (userID int64, sudo bool)
DeleteToken(accessToken []byte) error
FetchLastAccessToken(userID int64) string
GetAccessToken(userID int64) (string, error)
GetTemporaryAccessToken(userID int64, validSecs int) (string, error)
GetTemporaryOneTimeAccessToken(userID int64, validSecs int, oneTime bool) (string, error)
DeleteAccount(userID int64) error
ChangeSettings(app *App, u *User, s *userSettings) error
ChangePassphrase(userID int64, sudo bool, curPass string, hashedPass []byte) error
GetCollections(u *User, hostName string) (*[]Collection, error)
GetPublishableCollections(u *User, hostName string) (*[]Collection, error)
GetMeStats(u *User) userMeStats
GetTotalCollections() (int64, error)
GetTotalPosts() (int64, error)
GetTopPosts(u *User, alias string) (*[]PublicPost, error)
GetAnonymousPosts(u *User, page int) (*[]PublicPost, error)
GetUserPosts(u *User) (*[]PublicPost, error)
CreateOwnedPost(post *SubmittedPost, accessToken, collAlias, hostName string) (*PublicPost, error)
CreatePost(userID, collID int64, post *SubmittedPost) (*Post, error)
UpdateOwnedPost(post *AuthenticatedPost, userID int64) error
GetEditablePost(id, editToken string) (*PublicPost, error)
PostIDExists(id string) bool
GetPost(id string, collectionID int64) (*PublicPost, error)
GetOwnedPost(id string, ownerID int64) (*PublicPost, error)
GetPostProperty(id string, collectionID int64, property string) (interface{}, error)
CreateCollectionFromToken(*config.Config, string, string, string) (*Collection, error)
CreateCollection(*config.Config, string, string, int64) (*Collection, error)
GetCollectionBy(condition string, value interface{}) (*Collection, error)
GetCollection(alias string) (*Collection, error)
GetCollectionForPad(alias string) (*Collection, error)
GetCollectionByID(id int64) (*Collection, error)
UpdateCollection(c *SubmittedCollection, alias string) error
DeleteCollection(alias string, userID int64) error
UpdatePostPinState(pinned bool, postID string, collID, ownerID, pos int64) error
GetLastPinnedPostPos(collID int64) int64
GetPinnedPosts(coll *CollectionObj, includeFuture bool) (*[]PublicPost, error)
RemoveCollectionRedirect(t *sql.Tx, alias string) error
GetCollectionRedirect(alias string) (new string)
IsCollectionAttributeOn(id int64, attr string) bool
CollectionHasAttribute(id int64, attr string) bool
CanCollect(cpr *ClaimPostRequest, userID int64) bool
AttemptClaim(p *ClaimPostRequest, query string, params []interface{}, slugIdx int) (sql.Result, error)
DispersePosts(userID int64, postIDs []string) (*[]ClaimPostResult, error)
ClaimPosts(cfg *config.Config, userID int64, collAlias string, posts *[]ClaimPostRequest) (*[]ClaimPostResult, error)
GetPostsCount(c *CollectionObj, includeFuture bool)
GetPosts(cfg *config.Config, c *Collection, page int, includeFuture, forceRecentFirst, includePinned bool) (*[]PublicPost, error)
GetPostsTagged(cfg *config.Config, c *Collection, tag string, page int, includeFuture bool) (*[]PublicPost, error)
GetAPFollowers(c *Collection) (*[]RemoteUser, error)
GetAPActorKeys(collectionID int64) ([]byte, []byte)
CreateUserInvite(id string, userID int64, maxUses int, expires *time.Time) error
GetUserInvites(userID int64) (*[]Invite, error)
GetUserInvite(id string) (*Invite, error)
GetUsersInvitedCount(id string) int64
CreateInvitedUser(inviteID string, userID int64) error
GetDynamicContent(id string) (*instanceContent, error)
UpdateDynamicContent(id, title, content, contentType string) error
GetAllUsers(page uint) (*[]User, error)
GetAllUsersCount() int64
GetUserLastPostTime(id int64) (*time.Time, error)
GetCollectionLastPostTime(id int64) (*time.Time, error)
GetIDForRemoteUser(context.Context, string, string, string) (int64, error)
RecordRemoteUserID(context.Context, int64, string, string, string, string) error
ValidateOAuthState(context.Context, string) (string, string, int64, string, error)
GenerateOAuthState(context.Context, string, string, int64, string) (string, error)
GetOauthAccounts(ctx context.Context, userID int64) ([]oauthAccountInfo, error)
RemoveOauth(ctx context.Context, userID int64, provider string, clientID string, remoteUserID string) error
DatabaseInitialized() bool
}
type datastore struct {
*sql.DB
driverName string
}
var _ writestore = &datastore{}
func (db *datastore) now() string {
if db.driverName == driverSQLite {
return "strftime('%Y-%m-%d %H:%M:%S','now')"
}
return "NOW()"
}
func (db *datastore) clip(field string, l int) string {
if db.driverName == driverSQLite {
return fmt.Sprintf("SUBSTR(%s, 0, %d)", field, l)
}
return fmt.Sprintf("LEFT(%s, %d)", field, l)
}
func (db *datastore) upsert(indexedCols ...string) string {
if db.driverName == driverSQLite {
// NOTE: SQLite UPSERT syntax only works in v3.24.0 (2018-06-04) or later
// Leaving this for whenever we can upgrade and include it in our binary
cc := strings.Join(indexedCols, ", ")
return "ON CONFLICT(" + cc + ") DO UPDATE SET"
}
return "ON DUPLICATE KEY UPDATE"
}
func (db *datastore) dateSub(l int, unit string) string {
if db.driverName == driverSQLite {
return fmt.Sprintf("DATETIME('now', '-%d %s')", l, unit)
}
return fmt.Sprintf("DATE_SUB(NOW(), INTERVAL %d %s)", l, unit)
}
// CreateUser creates a new user in the database from the given User, UPDATING it in the process with the user's ID.
func (db *datastore) CreateUser(cfg *config.Config, u *User, collectionTitle string, collectionDesc string) error {
if db.PostIDExists(u.Username) {
return impart.HTTPError{http.StatusConflict, "Invalid collection name."}
}
// New users get a `users` and `collections` row.
t, err := db.Begin()
if err != nil {
return err
}
// 1. Add to `users` table
// NOTE: Assumes User's Password is already hashed!
res, err := t.Exec("INSERT INTO users (username, password, email) VALUES (?, ?, ?)", u.Username, u.HashedPass, u.Email)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Rolling back users INSERT: %v\n", err)
return err
}
u.ID, err = res.LastInsertId()
if err != nil {
t.Rollback()
log.Error("Rolling back after LastInsertId: %v\n", err)
return err
}
// 2. Create user's Collection
if collectionTitle == "" {
collectionTitle = u.Username
}
res, err = t.Exec("INSERT INTO collections (alias, title, description, privacy, owner_id, view_count) VALUES (?, ?, ?, ?, ?, ?)", u.Username, collectionTitle, collectionDesc, defaultVisibility(cfg), u.ID, 0)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Rolling back collections INSERT: %v\n", err)
return err
}
db.RemoveCollectionRedirect(t, u.Username)
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return err
}
return nil
}
// FIXME: We're returning errors inconsistently in this file. Do we use Errorf
// for returned value, or impart?
func (db *datastore) UpdateUserEmail(keys *key.Keychain, userID int64, email string) error {
encEmail, err := data.Encrypt(keys.EmailKey, email)
if err != nil {
return fmt.Errorf("Couldn't encrypt email %s: %s\n", email, err)
}
return db.UpdateEncryptedUserEmail(userID, encEmail)
}
func (db *datastore) UpdateEncryptedUserEmail(userID int64, encEmail []byte) error {
_, err := db.Exec("UPDATE users SET email = ? WHERE id = ?", encEmail, userID)
if err != nil {
return fmt.Errorf("Unable to update user email: %s", err)
}
return nil
}
func (db *datastore) CreateCollectionFromToken(cfg *config.Config, alias, title, accessToken string) (*Collection, error) {
userID := db.GetUserID(accessToken)
if userID == -1 {
return nil, ErrBadAccessToken
}
return db.CreateCollection(cfg, alias, title, userID)
}
func (db *datastore) GetUserCollectionCount(userID int64) (uint64, error) {
var collCount uint64
err := db.QueryRow("SELECT COUNT(*) FROM collections WHERE owner_id = ?", userID).Scan(&collCount)
switch {
case err == sql.ErrNoRows:
return 0, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user from database."}
case err != nil:
log.Error("Couldn't get collections count for user %d: %v", userID, err)
return 0, err
}
return collCount, nil
}
func (db *datastore) CreateCollection(cfg *config.Config, alias, title string, userID int64) (*Collection, error) {
if db.PostIDExists(alias) {
return nil, impart.HTTPError{http.StatusConflict, "Invalid collection name."}
}
// All good, so create new collection
res, err := db.Exec("INSERT INTO collections (alias, title, description, privacy, owner_id, view_count) VALUES (?, ?, ?, ?, ?, ?)", alias, title, "", defaultVisibility(cfg), userID, 0)
if err != nil {
if db.isDuplicateKeyErr(err) {
return nil, impart.HTTPError{http.StatusConflict, "Collection already exists."}
}
log.Error("Couldn't add to collections: %v\n", err)
return nil, err
}
c := &Collection{
Alias: alias,
Title: title,
OwnerID: userID,
PublicOwner: false,
Public: defaultVisibility(cfg) == CollPublic,
}
c.ID, err = res.LastInsertId()
if err != nil {
log.Error("Couldn't get collection LastInsertId: %v\n", err)
}
return c, nil
}
func (db *datastore) GetUserByID(id int64) (*User, error) {
u := &User{ID: id}
err := db.QueryRow("SELECT username, password, email, created, status FROM users WHERE id = ?", id).Scan(&u.Username, &u.HashedPass, &u.Email, &u.Created, &u.Status)
switch {
case err == sql.ErrNoRows:
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password: %v", err)
return nil, err
}
return u, nil
}
// IsUserSilenced returns true if the user account associated with id is
// currently silenced.
func (db *datastore) IsUserSilenced(id int64) (bool, error) {
u := &User{ID: id}
err := db.QueryRow("SELECT status FROM users WHERE id = ?", id).Scan(&u.Status)
switch {
case err == sql.ErrNoRows:
return false, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user status: %v", err)
return false, fmt.Errorf("is user silenced: %v", err)
}
return u.IsSilenced(), nil
}
// DoesUserNeedAuth returns true if the user hasn't provided any methods for
// authenticating with the account, such a passphrase or email address.
// Any errors are reported to admin and silently quashed, returning false as the
// result.
func (db *datastore) DoesUserNeedAuth(id int64) bool {
var pass, email []byte
// Find out if user has an email set first
err := db.QueryRow("SELECT password, email FROM users WHERE id = ?", id).Scan(&pass, &email)
switch {
case err == sql.ErrNoRows:
// ERROR. Don't give false positives on needing auth methods
return false
case err != nil:
// ERROR. Don't give false positives on needing auth methods
log.Error("Couldn't SELECT user %d from users: %v", id, err)
return false
}
// User doesn't need auth if there's an email
return len(email) == 0 && len(pass) == 0
}
func (db *datastore) IsUserPassSet(id int64) (bool, error) {
var pass []byte
err := db.QueryRow("SELECT password FROM users WHERE id = ?", id).Scan(&pass)
switch {
case err == sql.ErrNoRows:
return false, nil
case err != nil:
log.Error("Couldn't SELECT user %d from users: %v", id, err)
return false, err
}
return len(pass) > 0, nil
}
func (db *datastore) GetUserForAuth(username string) (*User, error) {
u := &User{Username: username}
err := db.QueryRow("SELECT id, password, email, created, status FROM users WHERE username = ?", username).Scan(&u.ID, &u.HashedPass, &u.Email, &u.Created, &u.Status)
switch {
case err == sql.ErrNoRows:
// Check if they've entered the wrong, unnormalized username
username = getSlug(username, "")
if username != u.Username {
err = db.QueryRow("SELECT id FROM users WHERE username = ? LIMIT 1", username).Scan(&u.ID)
if err == nil {
return db.GetUserForAuth(username)
}
}
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password: %v", err)
return nil, err
}
return u, nil
}
func (db *datastore) GetUserForAuthByID(userID int64) (*User, error) {
u := &User{ID: userID}
err := db.QueryRow("SELECT id, password, email, created, status FROM users WHERE id = ?", u.ID).Scan(&u.ID, &u.HashedPass, &u.Email, &u.Created, &u.Status)
switch {
case err == sql.ErrNoRows:
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT userForAuthByID: %v", err)
return nil, err
}
return u, nil
}
func (db *datastore) GetUserNameFromToken(accessToken string) (string, error) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return "", ErrNoAccessToken
}
var oneTime bool
var username string
err := db.QueryRow("SELECT username, one_time FROM accesstokens LEFT JOIN users ON user_id = id WHERE token LIKE ? AND (expires IS NULL OR expires > "+db.now()+")", t).Scan(&username, &oneTime)
switch {
case err == sql.ErrNoRows:
return "", ErrBadAccessToken
case err != nil:
return "", ErrInternalGeneral
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return username, nil
}
func (db *datastore) GetUserDataFromToken(accessToken string) (int64, string, error) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return 0, "", ErrNoAccessToken
}
var userID int64
var oneTime bool
var username string
err := db.QueryRow("SELECT user_id, username, one_time FROM accesstokens LEFT JOIN users ON user_id = id WHERE token LIKE ? AND (expires IS NULL OR expires > "+db.now()+")", t).Scan(&userID, &username, &oneTime)
switch {
case err == sql.ErrNoRows:
return 0, "", ErrBadAccessToken
case err != nil:
return 0, "", ErrInternalGeneral
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return userID, username, nil
}
func (db *datastore) GetAPIUser(header string) (*User, error) {
uID := db.GetUserID(header)
if uID == -1 {
return nil, fmt.Errorf(ErrUserNotFound.Error())
}
return db.GetUserByID(uID)
}
// GetUserID takes a hexadecimal accessToken, parses it into its binary
// representation, and gets any user ID associated with the token. If no user
// is associated, -1 is returned.
func (db *datastore) GetUserID(accessToken string) int64 {
i, _ := db.GetUserIDPrivilege(accessToken)
return i
}
func (db *datastore) GetUserIDPrivilege(accessToken string) (userID int64, sudo bool) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return -1, false
}
var oneTime bool
err := db.QueryRow("SELECT user_id, sudo, one_time FROM accesstokens WHERE token LIKE ? AND (expires IS NULL OR expires > "+db.now()+")", t).Scan(&userID, &sudo, &oneTime)
switch {
case err == sql.ErrNoRows:
return -1, false
case err != nil:
return -1, false
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return
}
func (db *datastore) DeleteToken(accessToken []byte) error {
res, err := db.Exec("DELETE FROM accesstokens WHERE token LIKE ?", accessToken)
if err != nil {
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
return impart.HTTPError{http.StatusNotFound, "Token is invalid or doesn't exist"}
}
return nil
}
// FetchLastAccessToken creates a new non-expiring, valid access token for the given
// userID.
func (db *datastore) FetchLastAccessToken(userID int64) string {
var t []byte
err := db.QueryRow("SELECT token FROM accesstokens WHERE user_id = ? AND (expires IS NULL OR expires > "+db.now()+") ORDER BY created DESC LIMIT 1", userID).Scan(&t)
switch {
case err == sql.ErrNoRows:
return ""
case err != nil:
log.Error("Failed selecting from accesstoken: %v", err)
return ""
}
u, err := uuid.Parse(t)
if err != nil {
return ""
}
return u.String()
}
// GetAccessToken creates a new non-expiring, valid access token for the given
// userID.
func (db *datastore) GetAccessToken(userID int64) (string, error) {
return db.GetTemporaryOneTimeAccessToken(userID, 0, false)
}
// GetTemporaryAccessToken creates a new valid access token for the given
// userID that remains valid for the given time in seconds. If validSecs is 0,
// the access token doesn't automatically expire.
func (db *datastore) GetTemporaryAccessToken(userID int64, validSecs int) (string, error) {
return db.GetTemporaryOneTimeAccessToken(userID, validSecs, false)
}
// GetTemporaryOneTimeAccessToken creates a new valid access token for the given
// userID that remains valid for the given time in seconds and can only be used
// once if oneTime is true. If validSecs is 0, the access token doesn't
// automatically expire.
func (db *datastore) GetTemporaryOneTimeAccessToken(userID int64, validSecs int, oneTime bool) (string, error) {
u, err := uuid.NewV4()
if err != nil {
log.Error("Unable to generate token: %v", err)
return "", err
}
// Insert UUID to `accesstokens`
binTok := u[:]
expirationVal := "NULL"
if validSecs > 0 {
expirationVal = fmt.Sprintf("DATE_ADD("+db.now()+", INTERVAL %d SECOND)", validSecs)
}
_, err = db.Exec("INSERT INTO accesstokens (token, user_id, one_time, expires) VALUES (?, ?, ?, "+expirationVal+")", string(binTok), userID, oneTime)
if err != nil {
log.Error("Couldn't INSERT accesstoken: %v", err)
return "", err
}
return u.String(), nil
}
func (db *datastore) CreateOwnedPost(post *SubmittedPost, accessToken, collAlias, hostName string) (*PublicPost, error) {
var userID, collID int64 = -1, -1
var coll *Collection
var err error
if accessToken != "" {
userID = db.GetUserID(accessToken)
if userID == -1 {
return nil, ErrBadAccessToken
}
if collAlias != "" {
coll, err = db.GetCollection(collAlias)
if err != nil {
return nil, err
}
coll.hostName = hostName
if coll.OwnerID != userID {
return nil, ErrForbiddenCollection
}
collID = coll.ID
}
}
rp := &PublicPost{}
rp.Post, err = db.CreatePost(userID, collID, post)
if err != nil {
return rp, err
}
if coll != nil {
coll.ForPublic()
rp.Collection = &CollectionObj{Collection: *coll}
}
return rp, nil
}
func (db *datastore) CreatePost(userID, collID int64, post *SubmittedPost) (*Post, error) {
idLen := postIDLen
friendlyID := id.GenerateFriendlyRandomString(idLen)
// Handle appearance / font face
appearance := post.Font
if !post.isFontValid() {
appearance = "norm"
}
var err error
ownerID := sql.NullInt64{
Valid: false,
}
ownerCollID := sql.NullInt64{
Valid: false,
}
slug := sql.NullString{"", false}
// If an alias was supplied, we'll add this to the collection as well.
if userID > 0 {
ownerID.Int64 = userID
ownerID.Valid = true
if collID > 0 {
ownerCollID.Int64 = collID
ownerCollID.Valid = true
var slugVal string
if post.Slug != nil && *post.Slug != "" {
slugVal = *post.Slug
} else {
if post.Title != nil && *post.Title != "" {
slugVal = getSlug(*post.Title, post.Language.String)
if slugVal == "" {
slugVal = getSlug(*post.Content, post.Language.String)
}
} else {
slugVal = getSlug(*post.Content, post.Language.String)
}
}
if slugVal == "" {
slugVal = friendlyID
}
slug = sql.NullString{slugVal, true}
}
}
created := time.Now()
if db.driverName == driverSQLite {
// SQLite stores datetimes in UTC, so convert time.Now() to it here
created = created.UTC()
}
if post.Created != nil {
created, err = time.Parse("2006-01-02T15:04:05Z", *post.Created)
if err != nil {
log.Error("Unable to parse Created time '%s': %v", *post.Created, err)
created = time.Now()
if db.driverName == driverSQLite {
// SQLite stores datetimes in UTC, so convert time.Now() to it here
created = created.UTC()
}
}
}
stmt, err := db.Prepare("INSERT INTO posts (id, slug, title, content, text_appearance, language, rtl, privacy, owner_id, collection_id, created, updated, view_count) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, " + db.now() + ", ?)")
if err != nil {
return nil, err
}
defer stmt.Close()
_, err = stmt.Exec(friendlyID, slug, post.Title, post.Content, appearance, post.Language, post.IsRTL, 0, ownerID, ownerCollID, created, 0)
if err != nil {
if db.isDuplicateKeyErr(err) {
// Duplicate entry error; try a new slug
// TODO: make this a little more robust
slug = sql.NullString{id.GenSafeUniqueSlug(slug.String), true}
_, err = stmt.Exec(friendlyID, slug, post.Title, post.Content, appearance, post.Language, post.IsRTL, 0, ownerID, ownerCollID, created, 0)
if err != nil {
return nil, handleFailedPostInsert(fmt.Errorf("Retried slug generation, still failed: %v", err))
}
} else {
return nil, handleFailedPostInsert(err)
}
}
// TODO: return Created field in proper format
return &Post{
ID: friendlyID,
Slug: null.NewString(slug.String, slug.Valid),
Font: appearance,
Language: zero.NewString(post.Language.String, post.Language.Valid),
RTL: zero.NewBool(post.IsRTL.Bool, post.IsRTL.Valid),
OwnerID: null.NewInt(userID, true),
CollectionID: null.NewInt(userID, true),
Created: created.Truncate(time.Second).UTC(),
Updated: time.Now().Truncate(time.Second).UTC(),
Title: zero.NewString(*(post.Title), true),
Content: *(post.Content),
}, nil
}
// UpdateOwnedPost updates an existing post with only the given fields in the
// supplied AuthenticatedPost.
func (db *datastore) UpdateOwnedPost(post *AuthenticatedPost, userID int64) error {
params := []interface{}{}
var queryUpdates, sep, authCondition string
if post.Slug != nil && *post.Slug != "" {
queryUpdates += sep + "slug = ?"
sep = ", "
params = append(params, getSlug(*post.Slug, ""))
}
if post.Content != nil {
queryUpdates += sep + "content = ?"
sep = ", "
params = append(params, post.Content)
}
if post.Title != nil {
queryUpdates += sep + "title = ?"
sep = ", "
params = append(params, post.Title)
}
if post.Language.Valid {
queryUpdates += sep + "language = ?"
sep = ", "
params = append(params, post.Language.String)
}
if post.IsRTL.Valid {
queryUpdates += sep + "rtl = ?"
sep = ", "
params = append(params, post.IsRTL.Bool)
}
if post.Font != "" {
queryUpdates += sep + "text_appearance = ?"
sep = ", "
params = append(params, post.Font)
}
if post.Created != nil {
createTime, err := time.Parse(postMetaDateFormat, *post.Created)
if err != nil {
log.Error("Unable to parse Created date: %v", err)
return fmt.Errorf("That's the incorrect format for Created date.")
}
queryUpdates += sep + "created = ?"
sep = ", "
params = append(params, createTime)
}
// WHERE parameters...
// id = ?
params = append(params, post.ID)
// AND owner_id = ?
authCondition = "(owner_id = ?)"
params = append(params, userID)
if queryUpdates == "" {
return ErrPostNoUpdatableVals
}
queryUpdates += sep + "updated = " + db.now()
res, err := db.Exec("UPDATE posts SET "+queryUpdates+" WHERE id = ? AND "+authCondition, params...)
if err != nil {
log.Error("Unable to update owned post: %v", err)
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM posts WHERE id = ? AND "+authCondition, post.ID, params[len(params)-1]).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedEditPost
case err != nil:
log.Error("Failed selecting from posts: %v", err)
}
return nil
}
return nil
}
func (db *datastore) GetCollectionBy(condition string, value interface{}) (*Collection, error) {
c := &Collection{}
// FIXME: change Collection to reflect database values. Add helper functions to get actual values
var styleSheet, script, signature, format zero.String
row := db.QueryRow("SELECT id, alias, title, description, style_sheet, script, post_signature, format, owner_id, privacy, view_count FROM collections WHERE "+condition, value)
err := row.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &styleSheet, &script, &signature, &format, &c.OwnerID, &c.Visibility, &c.Views)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "Collection doesn't exist."}
case db.isHighLoadError(err):
return nil, ErrUnavailable
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
c.StyleSheet = styleSheet.String
c.Script = script.String
c.Signature = signature.String
c.Format = format.String
c.Public = c.IsPublic()
c.Monetization = db.GetCollectionAttribute(c.ID, "monetization_pointer")
c.db = db
return c, nil
}
func (db *datastore) GetCollection(alias string) (*Collection, error) {
return db.GetCollectionBy("alias = ?", alias)
}
func (db *datastore) GetCollectionForPad(alias string) (*Collection, error) {
c := &Collection{Alias: alias}
row := db.QueryRow("SELECT id, alias, title, description, privacy FROM collections WHERE alias = ?", alias)
err := row.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &c.Visibility)
switch {
case err == sql.ErrNoRows:
return c, impart.HTTPError{http.StatusNotFound, "Collection doesn't exist."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return c, ErrInternalGeneral
}
c.Public = c.IsPublic()
return c, nil
}
func (db *datastore) GetCollectionByID(id int64) (*Collection, error) {
return db.GetCollectionBy("id = ?", id)
}
func (db *datastore) GetCollectionFromDomain(host string) (*Collection, error) {
return db.GetCollectionBy("host = ?", host)
}
func (db *datastore) UpdateCollection(c *SubmittedCollection, alias string) error {
q := query.NewUpdate().
SetStringPtr(c.Title, "title").
SetStringPtr(c.Description, "description").
SetNullString(c.StyleSheet, "style_sheet").
SetNullString(c.Script, "script").
SetNullString(c.Signature, "post_signature")
if c.Format != nil {
cf := &CollectionFormat{Format: c.Format.String}
if cf.Valid() {
q.SetNullString(c.Format, "format")
}
}
var updatePass bool
if c.Visibility != nil && (collVisibility(*c.Visibility)&CollProtected == 0 || c.Pass != "") {
q.SetIntPtr(c.Visibility, "privacy")
if c.Pass != "" {
updatePass = true
}
}
// WHERE values
q.Where("alias = ? AND owner_id = ?", alias, c.OwnerID)
if q.Updates == "" && c.Monetization == nil {
return ErrPostNoUpdatableVals
}
// Find any current domain
var collID int64
var rowsAffected int64
var changed bool
var res sql.Result
err := db.QueryRow("SELECT id FROM collections WHERE alias = ?", alias).Scan(&collID)
if err != nil {
log.Error("Failed selecting from collections: %v. Some things won't work.", err)
}
// Update MathJax value
if c.MathJax {
if db.driverName == driverSQLite {
_, err = db.Exec("INSERT OR REPLACE INTO collectionattributes (collection_id, attribute, value) VALUES (?, ?, ?)", collID, "render_mathjax", "1")
} else {
_, err = db.Exec("INSERT INTO collectionattributes (collection_id, attribute, value) VALUES (?, ?, ?) "+db.upsert("collection_id", "attribute")+" value = ?", collID, "render_mathjax", "1", "1")
}
if err != nil {
log.Error("Unable to insert render_mathjax value: %v", err)
return err
}
} else {
_, err = db.Exec("DELETE FROM collectionattributes WHERE collection_id = ? AND attribute = ?", collID, "render_mathjax")
if err != nil {
log.Error("Unable to delete render_mathjax value: %v", err)
return err
}
}
// Update Monetization value
if c.Monetization != nil {
skipUpdate := false
if *c.Monetization != "" {
// Strip away any excess spaces
trimmed := strings.TrimSpace(*c.Monetization)
// Only update value when it starts with "$", per spec: https://paymentpointers.org
if strings.HasPrefix(trimmed, "$") {
c.Monetization = &trimmed
} else {
// Value appears invalid, so don't update
skipUpdate = true
}
}
if !skipUpdate {
_, err = db.Exec("INSERT INTO collectionattributes (collection_id, attribute, value) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE value = ?", collID, "monetization_pointer", *c.Monetization, *c.Monetization)
if err != nil {
log.Error("Unable to insert monetization_pointer value: %v", err)
return err
}
}
}
// Update rest of the collection data
if q.Updates != "" {
res, err = db.Exec("UPDATE collections SET "+q.Updates+" WHERE "+q.Conditions, q.Params...)
if err != nil {
log.Error("Unable to update collection: %v", err)
return err
}
}
rowsAffected, _ = res.RowsAffected()
if !changed || rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM collections WHERE alias = ? AND owner_id = ?", alias, c.OwnerID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedEditPost
case err != nil:
log.Error("Failed selecting from collections: %v", err)
}
if !updatePass {
return nil
}
}
if updatePass {
hashedPass, err := auth.HashPass([]byte(c.Pass))
if err != nil {
log.Error("Unable to create hash: %s", err)
return impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."}
}
if db.driverName == driverSQLite {
_, err = db.Exec("INSERT OR REPLACE INTO collectionpasswords (collection_id, password) VALUES ((SELECT id FROM collections WHERE alias = ?), ?)", alias, hashedPass)
} else {
_, err = db.Exec("INSERT INTO collectionpasswords (collection_id, password) VALUES ((SELECT id FROM collections WHERE alias = ?), ?) "+db.upsert("collection_id")+" password = ?", alias, hashedPass, hashedPass)
}
if err != nil {
return err
}
}
return nil
}
const postCols = "id, slug, text_appearance, language, rtl, privacy, owner_id, collection_id, pinned_position, created, updated, view_count, title, content"
// getEditablePost returns a PublicPost with the given ID only if the given
// edit token is valid for the post.
func (db *datastore) GetEditablePost(id, editToken string) (*PublicPost, error) {
// FIXME: code duplicated from getPost()
// TODO: add slight logic difference to getPost / one func
var ownerName sql.NullString
p := &Post{}
row := db.QueryRow("SELECT "+postCols+", (SELECT username FROM users WHERE users.id = posts.owner_id) AS username FROM posts WHERE id = ? LIMIT 1", id)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content, &ownerName)
switch {
case err == sql.ErrNoRows:
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" && p.Title.String == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
if ownerName.Valid {
res.Owner = &PublicUser{Username: ownerName.String}
}
return &res, nil
}
func (db *datastore) PostIDExists(id string) bool {
var dummy bool
err := db.QueryRow("SELECT 1 FROM posts WHERE id = ?", id).Scan(&dummy)
return err == nil && dummy
}
// GetPost gets a public-facing post object from the database. If collectionID
// is > 0, the post will be retrieved by slug and collection ID, rather than
// post ID.
// TODO: break this into two functions:
// - GetPost(id string)
// - GetCollectionPost(slug string, collectionID int64)
func (db *datastore) GetPost(id string, collectionID int64) (*PublicPost, error) {
var ownerName sql.NullString
p := &Post{}
var row *sql.Row
var where string
params := []interface{}{id}
if collectionID > 0 {
where = "slug = ? AND collection_id = ?"
params = append(params, collectionID)
} else {
where = "id = ?"
}
row = db.QueryRow("SELECT "+postCols+", (SELECT username FROM users WHERE users.id = posts.owner_id) AS username FROM posts WHERE "+where+" LIMIT 1", params...)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content, &ownerName)
switch {
case err == sql.ErrNoRows:
if collectionID > 0 {
return nil, ErrCollectionPageNotFound
}
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" && p.Title.String == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
if ownerName.Valid {
res.Owner = &PublicUser{Username: ownerName.String}
}
return &res, nil
}
// TODO: don't duplicate getPost() functionality
func (db *datastore) GetOwnedPost(id string, ownerID int64) (*PublicPost, error) {
p := &Post{}
var row *sql.Row
where := "id = ? AND owner_id = ?"
params := []interface{}{id, ownerID}
row = db.QueryRow("SELECT "+postCols+" FROM posts WHERE "+where+" LIMIT 1", params...)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
switch {
case err == sql.ErrNoRows:
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" && p.Title.String == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
return &res, nil
}
func (db *datastore) GetPostProperty(id string, collectionID int64, property string) (interface{}, error) {
propSelects := map[string]string{
"views": "view_count AS views",
}
selectQuery, ok := propSelects[property]
if !ok {
return nil, impart.HTTPError{http.StatusBadRequest, fmt.Sprintf("Invalid property: %s.", property)}
}
var res interface{}
var row *sql.Row
if collectionID != 0 {
row = db.QueryRow("SELECT "+selectQuery+" FROM posts WHERE slug = ? AND collection_id = ? LIMIT 1", id, collectionID)
} else {
row = db.QueryRow("SELECT "+selectQuery+" FROM posts WHERE id = ? LIMIT 1", id)
}
err := row.Scan(&res)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "Post not found."}
case err != nil:
log.Error("Failed selecting post: %v", err)
return nil, err
}
return res, nil
}
// GetPostsCount modifies the CollectionObj to include the correct number of
// standard (non-pinned) posts. It will return future posts if `includeFuture`
// is true.
func (db *datastore) GetPostsCount(c *CollectionObj, includeFuture bool) {
var count int64
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= " + db.now()
}
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE collection_id = ? AND pinned_position IS NULL "+timeCondition, c.ID).Scan(&count)
switch {
case err == sql.ErrNoRows:
c.TotalPosts = 0
case err != nil:
log.Error("Failed selecting from collections: %v", err)
c.TotalPosts = 0
}
c.TotalPosts = int(count)
}
// GetPosts retrieves all posts for the given Collection.
// It will return future posts if `includeFuture` is true.
// It will include only standard (non-pinned) posts unless `includePinned` is true.
// TODO: change includeFuture to isOwner, since that's how it's used
func (db *datastore) GetPosts(cfg *config.Config, c *Collection, page int, includeFuture, forceRecentFirst, includePinned bool) (*[]PublicPost, error) {
collID := c.ID
cf := c.NewFormat()
order := "DESC"
if cf.Ascending() && !forceRecentFirst {
order = "ASC"
}
pagePosts := cf.PostsPerPage()
start := page*pagePosts - pagePosts
if page == 0 {
start = 0
pagePosts = 1000
}
limitStr := ""
if page > 0 {
limitStr = fmt.Sprintf(" LIMIT %d, %d", start, pagePosts)
}
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= " + db.now()
}
pinnedCondition := ""
if !includePinned {
pinnedCondition = "AND pinned_position IS NULL"
}
rows, err := db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? "+pinnedCondition+" "+timeCondition+" ORDER BY created "+order+limitStr, collID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve collection posts."}
}
defer rows.Close()
// TODO: extract this common row scanning logic for queries using `postCols`
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
p.augmentContent(c)
p.formatContent(cfg, c, includeFuture, false)
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
// GetPostsTagged retrieves all posts on the given Collection that contain the
// given tag.
// It will return future posts if `includeFuture` is true.
// TODO: change includeFuture to isOwner, since that's how it's used
func (db *datastore) GetPostsTagged(cfg *config.Config, c *Collection, tag string, page int, includeFuture bool) (*[]PublicPost, error) {
collID := c.ID
cf := c.NewFormat()
order := "DESC"
if cf.Ascending() {
order = "ASC"
}
pagePosts := cf.PostsPerPage()
start := page*pagePosts - pagePosts
if page == 0 {
start = 0
pagePosts = 1000
}
limitStr := ""
if page > 0 {
limitStr = fmt.Sprintf(" LIMIT %d, %d", start, pagePosts)
}
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= " + db.now()
}
var rows *sql.Rows
var err error
if db.driverName == driverSQLite {
rows, err = db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? AND LOWER(content) regexp ? "+timeCondition+" ORDER BY created "+order+limitStr, collID, `.*#`+strings.ToLower(tag)+`\b.*`)
} else {
rows, err = db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? AND LOWER(content) RLIKE ? "+timeCondition+" ORDER BY created "+order+limitStr, collID, "#"+strings.ToLower(tag)+"[[:>:]]")
}
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve collection posts."}
}
defer rows.Close()
// TODO: extract this common row scanning logic for queries using `postCols`
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
p.augmentContent(c)
p.formatContent(cfg, c, includeFuture, false)
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
func (db *datastore) GetAPFollowers(c *Collection) (*[]RemoteUser, error) {
rows, err := db.Query("SELECT actor_id, inbox, shared_inbox FROM remotefollows f INNER JOIN remoteusers u ON f.remote_user_id = u.id WHERE collection_id = ?", c.ID)
if err != nil {
log.Error("Failed selecting from followers: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve followers."}
}
defer rows.Close()
followers := []RemoteUser{}
for rows.Next() {
f := RemoteUser{}
err = rows.Scan(&f.ActorID, &f.Inbox, &f.SharedInbox)
followers = append(followers, f)
}
return &followers, nil
}
// CanCollect returns whether or not the given user can add the given post to a
// collection. This is true when a post is already owned by the user.
// NOTE: this is currently only used to potentially add owned posts to a
// collection. This has the SIDE EFFECT of also generating a slug for the post.
// FIXME: make this side effect more explicit (or extract it)
func (db *datastore) CanCollect(cpr *ClaimPostRequest, userID int64) bool {
var title, content string
var lang sql.NullString
err := db.QueryRow("SELECT title, content, language FROM posts WHERE id = ? AND owner_id = ?", cpr.ID, userID).Scan(&title, &content, &lang)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Failed on post CanCollect(%s, %d): %v", cpr.ID, userID, err)
return false
}
// Since we have the post content and the post is collectable, generate the
// post's slug now.
cpr.Slug = getSlugFromPost(title, content, lang.String)
return true
}
func (db *datastore) AttemptClaim(p *ClaimPostRequest, query string, params []interface{}, slugIdx int) (sql.Result, error) {
qRes, err := db.Exec(query, params...)
if err != nil {
if db.isDuplicateKeyErr(err) && slugIdx > -1 {
s := id.GenSafeUniqueSlug(p.Slug)
if s == p.Slug {
// Sanity check to prevent infinite recursion
return qRes, fmt.Errorf("GenSafeUniqueSlug generated nothing unique: %s", s)
}
p.Slug = s
params[slugIdx] = p.Slug
return db.AttemptClaim(p, query, params, slugIdx)
}
return qRes, fmt.Errorf("attemptClaim: %s", err)
}
return qRes, nil
}
func (db *datastore) DispersePosts(userID int64, postIDs []string) (*[]ClaimPostResult, error) {
postClaimReqs := map[string]bool{}
res := []ClaimPostResult{}
for i := range postIDs {
postID := postIDs[i]
r := ClaimPostResult{Code: 0, ErrorMessage: ""}
// Perform post validation
if postID == "" {
r.ErrorMessage = "Missing post ID. "
}
if _, ok := postClaimReqs[postID]; ok {
r.Code = 429
r.ErrorMessage = "You've already tried anonymizing this post."
r.ID = postID
res = append(res, r)
continue
}
postClaimReqs[postID] = true
var err error
// Get full post information to return
var fullPost *PublicPost
fullPost, err = db.GetPost(postID, 0)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
r.ID = postID
res = append(res, r)
continue
} else {
log.Error("Error getting post in dispersePosts: %v", err)
}
}
if fullPost.OwnerID.Int64 != userID {
r.Code = http.StatusConflict
r.ErrorMessage = "Post is already owned by someone else."
r.ID = postID
res = append(res, r)
continue
}
var qRes sql.Result
var query string
var params []interface{}
// Do AND owner_id = ? for sanity.
// This should've been caught and returned with a good error message
// just above.
query = "UPDATE posts SET collection_id = NULL WHERE id = ? AND owner_id = ?"
params = []interface{}{postID, userID}
qRes, err = db.Exec(query, params...)
if err != nil {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "A glitch happened on our end."
r.ID = postID
res = append(res, r)
log.Error("dispersePosts (post %s): %v", postID, err)
continue
}
// Post was successfully dispersed
r.Code = http.StatusOK
r.Post = fullPost
rowsAffected, _ := qRes.RowsAffected()
if rowsAffected == 0 {
// This was already claimed, but return 200
r.Code = http.StatusOK
}
res = append(res, r)
}
return &res, nil
}
func (db *datastore) ClaimPosts(cfg *config.Config, userID int64, collAlias string, posts *[]ClaimPostRequest) (*[]ClaimPostResult, error) {
postClaimReqs := map[string]bool{}
res := []ClaimPostResult{}
postCollAlias := collAlias
for i := range *posts {
p := (*posts)[i]
if &p == nil {
continue
}
r := ClaimPostResult{Code: 0, ErrorMessage: ""}
// Perform post validation
if p.ID == "" {
r.ErrorMessage = "Missing post ID `id`. "
}
if _, ok := postClaimReqs[p.ID]; ok {
r.Code = 429
r.ErrorMessage = "You've already tried claiming this post."
r.ID = p.ID
res = append(res, r)
continue
}
postClaimReqs[p.ID] = true
canCollect := db.CanCollect(&p, userID)
if !canCollect && p.Token == "" {
// TODO: ensure post isn't owned by anyone else when a valid modify
// token is given.
r.ErrorMessage += "Missing post Edit Token `token`."
}
if r.ErrorMessage != "" {
// Post validate failed
r.Code = http.StatusBadRequest
r.ID = p.ID
res = append(res, r)
continue
}
var err error
var qRes sql.Result
var query string
var params []interface{}
var slugIdx int = -1
var coll *Collection
if collAlias == "" {
// Posts are being claimed at /posts/claim, not
// /collections/{alias}/collect, so use given individual collection
// to associate post with.
postCollAlias = p.CollectionAlias
}
if postCollAlias != "" {
// Associate this post with a collection
if p.CreateCollection {
// This is a new collection
// TODO: consider removing this. This seriously complicates this
// method and adds another (unnecessary?) logic path.
coll, err = db.CreateCollection(cfg, postCollAlias, "", userID)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
} else {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "Unknown error occurred creating collection"
}
r.ID = p.ID
res = append(res, r)
continue
}
} else {
// Attempt to add to existing collection
coll, err = db.GetCollection(postCollAlias)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
if err.Status == http.StatusNotFound {
// Show obfuscated "forbidden" response, as if attempting to add to an
// unowned blog.
r.Code = ErrForbiddenCollection.Status
r.ErrorMessage = ErrForbiddenCollection.Message
} else {
r.Code = err.Status
r.ErrorMessage = err.Message
}
} else {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "Unknown error occurred claiming post with collection"
}
r.ID = p.ID
res = append(res, r)
continue
}
if coll.OwnerID != userID {
r.Code = ErrForbiddenCollection.Status
r.ErrorMessage = ErrForbiddenCollection.Message
r.ID = p.ID
res = append(res, r)
continue
}
}
if p.Slug == "" {
p.Slug = p.ID
}
if canCollect {
// User already owns this post, so just add it to the given
// collection.
query = "UPDATE posts SET collection_id = ?, slug = ? WHERE id = ? AND owner_id = ?"
params = []interface{}{coll.ID, p.Slug, p.ID, userID}
slugIdx = 1
} else {
query = "UPDATE posts SET owner_id = ?, collection_id = ?, slug = ? WHERE id = ? AND modify_token = ? AND owner_id IS NULL"
params = []interface{}{userID, coll.ID, p.Slug, p.ID, p.Token}
slugIdx = 2
}
} else {
query = "UPDATE posts SET owner_id = ? WHERE id = ? AND modify_token = ? AND owner_id IS NULL"
params = []interface{}{userID, p.ID, p.Token}
}
qRes, err = db.AttemptClaim(&p, query, params, slugIdx)
if err != nil {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "An unknown error occurred."
r.ID = p.ID
res = append(res, r)
log.Error("claimPosts (post %s): %v", p.ID, err)
continue
}
// Get full post information to return
var fullPost *PublicPost
if p.Token != "" {
fullPost, err = db.GetEditablePost(p.ID, p.Token)
} else {
fullPost, err = db.GetPost(p.ID, 0)
}
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
r.ID = p.ID
res = append(res, r)
continue
}
}
if fullPost.OwnerID.Int64 != userID {
r.Code = http.StatusConflict
r.ErrorMessage = "Post is already owned by someone else."
r.ID = p.ID
res = append(res, r)
continue
}
// Post was successfully claimed
r.Code = http.StatusOK
r.Post = fullPost
if coll != nil {
r.Post.Collection = &CollectionObj{Collection: *coll}
}
rowsAffected, _ := qRes.RowsAffected()
if rowsAffected == 0 {
// This was already claimed, but return 200
r.Code = http.StatusOK
}
res = append(res, r)
}
return &res, nil
}
func (db *datastore) UpdatePostPinState(pinned bool, postID string, collID, ownerID, pos int64) error {
if pos <= 0 || pos > 20 {
pos = db.GetLastPinnedPostPos(collID) + 1
if pos == -1 {
pos = 1
}
}
var err error
if pinned {
_, err = db.Exec("UPDATE posts SET pinned_position = ? WHERE id = ?", pos, postID)
} else {
_, err = db.Exec("UPDATE posts SET pinned_position = NULL WHERE id = ?", postID)
}
if err != nil {
log.Error("Unable to update pinned post: %v", err)
return err
}
return nil
}
func (db *datastore) GetLastPinnedPostPos(collID int64) int64 {
var lastPos sql.NullInt64
err := db.QueryRow("SELECT MAX(pinned_position) FROM posts WHERE collection_id = ? AND pinned_position IS NOT NULL", collID).Scan(&lastPos)
switch {
case err == sql.ErrNoRows:
return -1
case err != nil:
log.Error("Failed selecting from posts: %v", err)
return -1
}
if !lastPos.Valid {
return -1
}
return lastPos.Int64
}
func (db *datastore) GetPinnedPosts(coll *CollectionObj, includeFuture bool) (*[]PublicPost, error) {
// FIXME: sqlite-backed instances don't include ellipsis on truncated titles
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= " + db.now()
}
rows, err := db.Query("SELECT id, slug, title, "+db.clip("content", 80)+", pinned_position FROM posts WHERE collection_id = ? AND pinned_position IS NOT NULL "+timeCondition+" ORDER BY pinned_position ASC", coll.ID)
if err != nil {
log.Error("Failed selecting pinned posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve pinned posts."}
}
defer rows.Close()
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Title, &p.Content, &p.PinnedPosition)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
p.augmentContent(&coll.Collection)
pp := p.processPost()
pp.Collection = coll
posts = append(posts, pp)
}
return &posts, nil
}
func (db *datastore) GetCollections(u *User, hostName string) (*[]Collection, error) {
rows, err := db.Query("SELECT id, alias, title, description, privacy, view_count FROM collections WHERE owner_id = ? ORDER BY id ASC", u.ID)
if err != nil {
log.Error("Failed selecting from collections: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user collections."}
}
defer rows.Close()
colls := []Collection{}
for rows.Next() {
c := Collection{}
err = rows.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &c.Visibility, &c.Views)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
c.hostName = hostName
c.URL = c.CanonicalURL()
c.Public = c.IsPublic()
/*
// NOTE: future functionality
if visibility != nil { // TODO: && visibility == CollPublic {
// Add Monetization info when retrieving all public collections
c.Monetization = db.GetCollectionAttribute(c.ID, "monetization_pointer")
}
*/
colls = append(colls, c)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &colls, nil
}
func (db *datastore) GetPublishableCollections(u *User, hostName string) (*[]Collection, error) {
c, err := db.GetCollections(u, hostName)
if err != nil {
return nil, err
}
if len(*c) == 0 {
return nil, impart.HTTPError{http.StatusInternalServerError, "You don't seem to have any blogs; they might've moved to another account. Try logging out and logging into your other account."}
}
return c, nil
}
func (db *datastore) GetPublicCollections(hostName string) (*[]Collection, error) {
rows, err := db.Query(`SELECT c.id, alias, title, description, privacy, view_count
FROM collections c
LEFT JOIN users u ON u.id = c.owner_id
WHERE c.privacy = 1 AND u.status = 0
ORDER BY id ASC`)
if err != nil {
log.Error("Failed selecting public collections: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve public collections."}
}
defer rows.Close()
colls := []Collection{}
for rows.Next() {
c := Collection{}
err = rows.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &c.Visibility, &c.Views)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
c.hostName = hostName
c.URL = c.CanonicalURL()
c.Public = c.IsPublic()
// Add Monetization information
c.Monetization = db.GetCollectionAttribute(c.ID, "monetization_pointer")
colls = append(colls, c)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &colls, nil
}
func (db *datastore) GetMeStats(u *User) userMeStats {
s := userMeStats{}
// User counts
colls, _ := db.GetUserCollectionCount(u.ID)
s.TotalCollections = colls
var articles, collPosts uint64
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ? AND collection_id IS NULL", u.ID).Scan(&articles)
if err != nil && err != sql.ErrNoRows {
log.Error("Couldn't get articles count for user %d: %v", u.ID, err)
}
s.TotalArticles = articles
err = db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ? AND collection_id IS NOT NULL", u.ID).Scan(&collPosts)
if err != nil && err != sql.ErrNoRows {
log.Error("Couldn't get coll posts count for user %d: %v", u.ID, err)
}
s.CollectionPosts = collPosts
return s
}
func (db *datastore) GetTotalCollections() (collCount int64, err error) {
err = db.QueryRow(`
SELECT COUNT(*)
FROM collections c
LEFT JOIN users u ON u.id = c.owner_id
WHERE u.status = 0`).Scan(&collCount)
if err != nil {
log.Error("Unable to fetch collections count: %v", err)
}
return
}
func (db *datastore) GetTotalPosts() (postCount int64, err error) {
err = db.QueryRow(`
SELECT COUNT(*)
FROM posts p
LEFT JOIN users u ON u.id = p.owner_id
WHERE u.status = 0`).Scan(&postCount)
if err != nil {
log.Error("Unable to fetch posts count: %v", err)
}
return
}
func (db *datastore) GetTopPosts(u *User, alias string) (*[]PublicPost, error) {
params := []interface{}{u.ID}
where := ""
if alias != "" {
where = " AND alias = ?"
params = append(params, alias)
}
rows, err := db.Query("SELECT p.id, p.slug, p.view_count, p.title, c.alias, c.title, c.description, c.view_count FROM posts p LEFT JOIN collections c ON p.collection_id = c.id WHERE p.owner_id = ?"+where+" ORDER BY p.view_count DESC, created DESC LIMIT 25", params...)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user top posts."}
}
defer rows.Close()
posts := []PublicPost{}
var gotErr bool
for rows.Next() {
p := Post{}
c := Collection{}
var alias, title, description sql.NullString
var views sql.NullInt64
err = rows.Scan(&p.ID, &p.Slug, &p.ViewCount, &p.Title, &alias, &title, &description, &views)
if err != nil {
log.Error("Failed scanning User.getPosts() row: %v", err)
gotErr = true
break
}
p.extractData()
pubPost := p.processPost()
if alias.Valid && alias.String != "" {
c.Alias = alias.String
c.Title = title.String
c.Description = description.String
c.Views = views.Int64
pubPost.Collection = &CollectionObj{Collection: c}
}
posts = append(posts, pubPost)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
if gotErr && len(posts) == 0 {
// There were a lot of errors
return nil, impart.HTTPError{http.StatusInternalServerError, "Unable to get data."}
}
return &posts, nil
}
func (db *datastore) GetAnonymousPosts(u *User, page int) (*[]PublicPost, error) {
pagePosts := 10
start := page*pagePosts - pagePosts
if page == 0 {
start = 0
pagePosts = 1000
}
limitStr := ""
if page > 0 {
limitStr = fmt.Sprintf(" LIMIT %d, %d", start, pagePosts)
}
rows, err := db.Query("SELECT id, view_count, title, created, updated, content FROM posts WHERE owner_id = ? AND collection_id IS NULL ORDER BY created DESC"+limitStr, u.ID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user anonymous posts."}
}
defer rows.Close()
posts := []PublicPost{}
for rows.Next() {
p := Post{}
err = rows.Scan(&p.ID, &p.ViewCount, &p.Title, &p.Created, &p.Updated, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
func (db *datastore) GetUserPosts(u *User) (*[]PublicPost, error) {
rows, err := db.Query("SELECT p.id, p.slug, p.view_count, p.title, p.created, p.updated, p.content, p.text_appearance, p.language, p.rtl, c.alias, c.title, c.description, c.view_count FROM posts p LEFT JOIN collections c ON collection_id = c.id WHERE p.owner_id = ? ORDER BY created ASC", u.ID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user posts."}
}
defer rows.Close()
posts := []PublicPost{}
var gotErr bool
for rows.Next() {
p := Post{}
c := Collection{}
var alias, title, description sql.NullString
var views sql.NullInt64
err = rows.Scan(&p.ID, &p.Slug, &p.ViewCount, &p.Title, &p.Created, &p.Updated, &p.Content, &p.Font, &p.Language, &p.RTL, &alias, &title, &description, &views)
if err != nil {
log.Error("Failed scanning User.getPosts() row: %v", err)
gotErr = true
break
}
p.extractData()
pubPost := p.processPost()
if alias.Valid && alias.String != "" {
c.Alias = alias.String
c.Title = title.String
c.Description = description.String
c.Views = views.Int64
pubPost.Collection = &CollectionObj{Collection: c}
}
posts = append(posts, pubPost)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
if gotErr && len(posts) == 0 {
// There were a lot of errors
return nil, impart.HTTPError{http.StatusInternalServerError, "Unable to get data."}
}
return &posts, nil
}
func (db *datastore) GetUserPostsCount(userID int64) int64 {
var count int64
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ?", userID).Scan(&count)
switch {
case err == sql.ErrNoRows:
return 0
case err != nil:
log.Error("Failed selecting posts count for user %d: %v", userID, err)
return 0
}
return count
}
// ChangeSettings takes a User and applies the changes in the given
// userSettings, MODIFYING THE USER with successful changes.
func (db *datastore) ChangeSettings(app *App, u *User, s *userSettings) error {
var errPass error
q := query.NewUpdate()
// Update email if given
if s.Email != "" {
encEmail, err := data.Encrypt(app.keys.EmailKey, s.Email)
if err != nil {
log.Error("Couldn't encrypt email %s: %s\n", s.Email, err)
return impart.HTTPError{http.StatusInternalServerError, "Unable to encrypt email address."}
}
q.SetBytes(encEmail, "email")
// Update the email if something goes awry updating the password
defer func() {
if errPass != nil {
db.UpdateEncryptedUserEmail(u.ID, encEmail)
}
}()
u.Email = zero.StringFrom(s.Email)
}
// Update username if given
var newUsername string
if s.Username != "" {
var ie *impart.HTTPError
newUsername, ie = getValidUsername(app, s.Username, u.Username)
if ie != nil {
// Username is invalid
return *ie
}
if !author.IsValidUsername(app.cfg, newUsername) {
// Ensure the username is syntactically correct.
return impart.HTTPError{http.StatusPreconditionFailed, "Username isn't valid."}
}
t, err := db.Begin()
if err != nil {
log.Error("Couldn't start username change transaction: %v", err)
return err
}
_, err = t.Exec("UPDATE users SET username = ? WHERE id = ?", newUsername, u.ID)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Unable to update users table: %v", err)
return ErrInternalGeneral
}
_, err = t.Exec("UPDATE collections SET alias = ? WHERE alias = ? AND owner_id = ?", newUsername, u.Username, u.ID)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Unable to update collection: %v", err)
return ErrInternalGeneral
}
// Keep track of name changes for redirection
db.RemoveCollectionRedirect(t, newUsername)
_, err = t.Exec("UPDATE collectionredirects SET new_alias = ? WHERE new_alias = ?", newUsername, u.Username)
if err != nil {
log.Error("Unable to update collectionredirects: %v", err)
}
_, err = t.Exec("INSERT INTO collectionredirects (prev_alias, new_alias) VALUES (?, ?)", u.Username, newUsername)
if err != nil {
log.Error("Unable to add new collectionredirect: %v", err)
}
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return err
}
u.Username = newUsername
}
// Update passphrase if given
if s.NewPass != "" {
// Check if user has already set a password
var err error
u.HasPass, err = db.IsUserPassSet(u.ID)
if err != nil {
errPass = impart.HTTPError{http.StatusInternalServerError, "Unable to retrieve user data."}
return errPass
}
if u.HasPass {
// Check if currently-set password is correct
hashedPass := u.HashedPass
if len(hashedPass) == 0 {
authUser, err := db.GetUserForAuthByID(u.ID)
if err != nil {
errPass = err
return errPass
}
hashedPass = authUser.HashedPass
}
if !auth.Authenticated(hashedPass, []byte(s.OldPass)) {
errPass = impart.HTTPError{http.StatusUnauthorized, "Incorrect password."}
return errPass
}
}
hashedPass, err := auth.HashPass([]byte(s.NewPass))
if err != nil {
errPass = impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."}
return errPass
}
q.SetBytes(hashedPass, "password")
}
// WHERE values
q.Append(u.ID)
if q.Updates == "" {
if s.Username == "" {
return ErrPostNoUpdatableVals
}
// Nothing to update except username. That was successful, so return now.
return nil
}
res, err := db.Exec("UPDATE users SET "+q.Updates+" WHERE id = ?", q.Params...)
if err != nil {
log.Error("Unable to update collection: %v", err)
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM users WHERE id = ?", u.ID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedGeneral
case err != nil:
log.Error("Failed selecting from users: %v", err)
}
return nil
}
if s.NewPass != "" && !u.HasPass {
u.HasPass = true
}
return nil
}
func (db *datastore) ChangePassphrase(userID int64, sudo bool, curPass string, hashedPass []byte) error {
var dbPass []byte
err := db.QueryRow("SELECT password FROM users WHERE id = ?", userID).Scan(&dbPass)
switch {
case err == sql.ErrNoRows:
return ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password for change: %v", err)
return err
}
if !sudo && !auth.Authenticated(dbPass, []byte(curPass)) {
return impart.HTTPError{http.StatusUnauthorized, "Incorrect password."}
}
_, err = db.Exec("UPDATE users SET password = ? WHERE id = ?", hashedPass, userID)
if err != nil {
log.Error("Could not update passphrase: %v", err)
return err
}
return nil
}
func (db *datastore) RemoveCollectionRedirect(t *sql.Tx, alias string) error {
_, err := t.Exec("DELETE FROM collectionredirects WHERE prev_alias = ?", alias)
if err != nil {
log.Error("Unable to delete from collectionredirects: %v", err)
return err
}
return nil
}
func (db *datastore) GetCollectionRedirect(alias string) (new string) {
row := db.QueryRow("SELECT new_alias FROM collectionredirects WHERE prev_alias = ?", alias)
err := row.Scan(&new)
if err != nil && err != sql.ErrNoRows && !db.isIgnorableError(err) {
log.Error("Failed selecting from collectionredirects: %v", err)
}
return
}
func (db *datastore) DeleteCollection(alias string, userID int64) error {
c := &Collection{Alias: alias}
var username string
row := db.QueryRow("SELECT username FROM users WHERE id = ?", userID)
err := row.Scan(&username)
if err != nil {
return err
}
// Ensure user isn't deleting their main blog
if alias == username {
return impart.HTTPError{http.StatusForbidden, "You cannot currently delete your primary blog."}
}
row = db.QueryRow("SELECT id FROM collections WHERE alias = ? AND owner_id = ?", alias, userID)
err = row.Scan(&c.ID)
switch {
case err == sql.ErrNoRows:
return impart.HTTPError{http.StatusNotFound, "Collection doesn't exist or you're not allowed to delete it."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return ErrInternalGeneral
}
t, err := db.Begin()
if err != nil {
return err
}
// Float all collection's posts
_, err = t.Exec("UPDATE posts SET collection_id = NULL WHERE collection_id = ? AND owner_id = ?", c.ID, userID)
if err != nil {
t.Rollback()
return err
}
// Remove redirects to or from this collection
_, err = t.Exec("DELETE FROM collectionredirects WHERE prev_alias = ? OR new_alias = ?", alias, alias)
if err != nil {
t.Rollback()
return err
}
// Remove any optional collection password
_, err = t.Exec("DELETE FROM collectionpasswords WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
return err
}
// Finally, delete collection itself
_, err = t.Exec("DELETE FROM collections WHERE id = ?", c.ID)
if err != nil {
t.Rollback()
return err
}
err = t.Commit()
if err != nil {
t.Rollback()
return err
}
return nil
}
func (db *datastore) IsCollectionAttributeOn(id int64, attr string) bool {
var v string
err := db.QueryRow("SELECT value FROM collectionattributes WHERE collection_id = ? AND attribute = ?", id, attr).Scan(&v)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SELECT value in isCollectionAttributeOn for attribute '%s': %v", attr, err)
return false
}
return v == "1"
}
func (db *datastore) CollectionHasAttribute(id int64, attr string) bool {
var dummy string
err := db.QueryRow("SELECT value FROM collectionattributes WHERE collection_id = ? AND attribute = ?", id, attr).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SELECT value in collectionHasAttribute for attribute '%s': %v", attr, err)
return false
}
return true
}
func (db *datastore) GetCollectionAttribute(id int64, attr string) string {
var v string
err := db.QueryRow("SELECT value FROM collectionattributes WHERE collection_id = ? AND attribute = ?", id, attr).Scan(&v)
switch {
case err == sql.ErrNoRows:
return ""
case err != nil:
log.Error("Couldn't SELECT value in getCollectionAttribute for attribute '%s': %v", attr, err)
return ""
}
return v
}
func (db *datastore) SetCollectionAttribute(id int64, attr, v string) error {
_, err := db.Exec("INSERT INTO collectionattributes (collection_id, attribute, value) VALUES (?, ?, ?)", id, attr, v)
if err != nil {
log.Error("Unable to INSERT into collectionattributes: %v", err)
return err
}
return nil
}
// DeleteAccount will delete the entire account for userID
func (db *datastore) DeleteAccount(userID int64) error {
// Get all collections
rows, err := db.Query("SELECT id, alias FROM collections WHERE owner_id = ?", userID)
if err != nil {
log.Error("Unable to get collections: %v", err)
return err
}
defer rows.Close()
colls := []Collection{}
var c Collection
for rows.Next() {
err = rows.Scan(&c.ID, &c.Alias)
if err != nil {
log.Error("Unable to scan collection cols: %v", err)
return err
}
colls = append(colls, c)
}
// Start transaction
t, err := db.Begin()
if err != nil {
log.Error("Unable to begin: %v", err)
return err
}
// Clean up all collection related information
var res sql.Result
for _, c := range colls {
// Delete tokens
res, err = t.Exec("DELETE FROM collectionattributes WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
log.Error("Unable to delete attributes on %s: %v", c.Alias, err)
return err
}
rs, _ := res.RowsAffected()
log.Info("Deleted %d for %s from collectionattributes", rs, c.Alias)
// Remove any optional collection password
res, err = t.Exec("DELETE FROM collectionpasswords WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
log.Error("Unable to delete passwords on %s: %v", c.Alias, err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d for %s from collectionpasswords", rs, c.Alias)
// Remove redirects to this collection
res, err = t.Exec("DELETE FROM collectionredirects WHERE new_alias = ?", c.Alias)
if err != nil {
t.Rollback()
log.Error("Unable to delete redirects on %s: %v", c.Alias, err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d for %s from collectionredirects", rs, c.Alias)
// Remove any collection keys
res, err = t.Exec("DELETE FROM collectionkeys WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
log.Error("Unable to delete keys on %s: %v", c.Alias, err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d for %s from collectionkeys", rs, c.Alias)
// TODO: federate delete collection
// Remove remote follows
res, err = t.Exec("DELETE FROM remotefollows WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
log.Error("Unable to delete remote follows on %s: %v", c.Alias, err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d for %s from remotefollows", rs, c.Alias)
}
// Delete collections
res, err = t.Exec("DELETE FROM collections WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
log.Error("Unable to delete collections: %v", err)
return err
}
rs, _ := res.RowsAffected()
log.Info("Deleted %d from collections", rs)
// Delete tokens
res, err = t.Exec("DELETE FROM accesstokens WHERE user_id = ?", userID)
if err != nil {
t.Rollback()
log.Error("Unable to delete access tokens: %v", err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d from accesstokens", rs)
// Delete user attributes
res, err = t.Exec("DELETE FROM oauth_users WHERE user_id = ?", userID)
if err != nil {
t.Rollback()
log.Error("Unable to delete oauth_users: %v", err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d from oauth_users", rs)
// Delete posts
// TODO: should maybe get each row so we can federate a delete
// if so needs to be outside of transaction like collections
res, err = t.Exec("DELETE FROM posts WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
log.Error("Unable to delete posts: %v", err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d from posts", rs)
// Delete user attributes
res, err = t.Exec("DELETE FROM userattributes WHERE user_id = ?", userID)
if err != nil {
t.Rollback()
log.Error("Unable to delete attributes: %v", err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d from userattributes", rs)
// Delete user invites
res, err = t.Exec("DELETE FROM userinvites WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
log.Error("Unable to delete invites: %v", err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d from userinvites", rs)
// Delete the user
res, err = t.Exec("DELETE FROM users WHERE id = ?", userID)
if err != nil {
t.Rollback()
log.Error("Unable to delete user: %v", err)
return err
}
rs, _ = res.RowsAffected()
log.Info("Deleted %d from users", rs)
// Commit all changes to the database
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Unable to commit: %v", err)
return err
}
// TODO: federate delete actor
return nil
}
func (db *datastore) GetAPActorKeys(collectionID int64) ([]byte, []byte) {
var pub, priv []byte
err := db.QueryRow("SELECT public_key, private_key FROM collectionkeys WHERE collection_id = ?", collectionID).Scan(&pub, &priv)
switch {
case err == sql.ErrNoRows:
// Generate keys
pub, priv = activitypub.GenerateKeys()
_, err = db.Exec("INSERT INTO collectionkeys (collection_id, public_key, private_key) VALUES (?, ?, ?)", collectionID, pub, priv)
if err != nil {
log.Error("Unable to INSERT new activitypub keypair: %v", err)
return nil, nil
}
case err != nil:
log.Error("Couldn't SELECT collectionkeys: %v", err)
return nil, nil
}
return pub, priv
}
func (db *datastore) CreateUserInvite(id string, userID int64, maxUses int, expires *time.Time) error {
_, err := db.Exec("INSERT INTO userinvites (id, owner_id, max_uses, created, expires, inactive) VALUES (?, ?, ?, "+db.now()+", ?, 0)", id, userID, maxUses, expires)
return err
}
func (db *datastore) GetUserInvites(userID int64) (*[]Invite, error) {
rows, err := db.Query("SELECT id, max_uses, created, expires, inactive FROM userinvites WHERE owner_id = ? ORDER BY created DESC", userID)
if err != nil {
log.Error("Failed selecting from userinvites: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user invites."}
}
defer rows.Close()
is := []Invite{}
for rows.Next() {
i := Invite{}
err = rows.Scan(&i.ID, &i.MaxUses, &i.Created, &i.Expires, &i.Inactive)
is = append(is, i)
}
return &is, nil
}
func (db *datastore) GetUserInvite(id string) (*Invite, error) {
var i Invite
err := db.QueryRow("SELECT id, max_uses, created, expires, inactive FROM userinvites WHERE id = ?", id).Scan(&i.ID, &i.MaxUses, &i.Created, &i.Expires, &i.Inactive)
switch {
case err == sql.ErrNoRows, db.isIgnorableError(err):
return nil, impart.HTTPError{http.StatusNotFound, "Invite doesn't exist."}
case err != nil:
log.Error("Failed selecting invite: %v", err)
return nil, err
}
return &i, nil
}
// IsUsersInvite returns true if the user with ID created the invite with code
// and an error other than sql no rows, if any. Will return false in the event
// of an error.
func (db *datastore) IsUsersInvite(code string, userID int64) (bool, error) {
var id string
err := db.QueryRow("SELECT id FROM userinvites WHERE id = ? AND owner_id = ?", code, userID).Scan(&id)
if err != nil && err != sql.ErrNoRows {
log.Error("Failed selecting invite: %v", err)
return false, err
}
return id != "", nil
}
func (db *datastore) GetUsersInvitedCount(id string) int64 {
var count int64
err := db.QueryRow("SELECT COUNT(*) FROM usersinvited WHERE invite_id = ?", id).Scan(&count)
switch {
case err == sql.ErrNoRows:
return 0
case err != nil:
log.Error("Failed selecting users invited count: %v", err)
return 0
}
return count
}
func (db *datastore) CreateInvitedUser(inviteID string, userID int64) error {
_, err := db.Exec("INSERT INTO usersinvited (invite_id, user_id) VALUES (?, ?)", inviteID, userID)
return err
}
func (db *datastore) GetInstancePages() ([]*instanceContent, error) {
return db.GetAllDynamicContent("page")
}
func (db *datastore) GetAllDynamicContent(t string) ([]*instanceContent, error) {
where := ""
params := []interface{}{}
if t != "" {
where = " WHERE content_type = ?"
params = append(params, t)
}
rows, err := db.Query("SELECT id, title, content, updated, content_type FROM appcontent"+where, params...)
if err != nil {
log.Error("Failed selecting from appcontent: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve instance pages."}
}
defer rows.Close()
pages := []*instanceContent{}
for rows.Next() {
c := &instanceContent{}
err = rows.Scan(&c.ID, &c.Title, &c.Content, &c.Updated, &c.Type)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
pages = append(pages, c)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return pages, nil
}
func (db *datastore) GetDynamicContent(id string) (*instanceContent, error) {
c := &instanceContent{
ID: id,
}
err := db.QueryRow("SELECT title, content, updated, content_type FROM appcontent WHERE id = ?", id).Scan(&c.Title, &c.Content, &c.Updated, &c.Type)
switch {
case err == sql.ErrNoRows:
return nil, nil
case err != nil:
log.Error("Couldn't SELECT FROM appcontent for id '%s': %v", id, err)
return nil, err
}
return c, nil
}
func (db *datastore) UpdateDynamicContent(id, title, content, contentType string) error {
var err error
if db.driverName == driverSQLite {
_, err = db.Exec("INSERT OR REPLACE INTO appcontent (id, title, content, updated, content_type) VALUES (?, ?, ?, "+db.now()+", ?)", id, title, content, contentType)
} else {
_, err = db.Exec("INSERT INTO appcontent (id, title, content, updated, content_type) VALUES (?, ?, ?, "+db.now()+", ?) "+db.upsert("id")+" title = ?, content = ?, updated = "+db.now(), id, title, content, contentType, title, content)
}
if err != nil {
log.Error("Unable to INSERT appcontent for '%s': %v", id, err)
}
return err
}
func (db *datastore) GetAllUsers(page uint) (*[]User, error) {
limitStr := fmt.Sprintf("0, %d", adminUsersPerPage)
if page > 1 {
limitStr = fmt.Sprintf("%d, %d", (page-1)*adminUsersPerPage, adminUsersPerPage)
}
rows, err := db.Query("SELECT id, username, created, status FROM users ORDER BY created DESC LIMIT " + limitStr)
if err != nil {
log.Error("Failed selecting from users: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve all users."}
}
defer rows.Close()
users := []User{}
for rows.Next() {
u := User{}
err = rows.Scan(&u.ID, &u.Username, &u.Created, &u.Status)
if err != nil {
log.Error("Failed scanning GetAllUsers() row: %v", err)
break
}
users = append(users, u)
}
return &users, nil
}
func (db *datastore) GetAllUsersCount() int64 {
var count int64
err := db.QueryRow("SELECT COUNT(*) FROM users").Scan(&count)
switch {
case err == sql.ErrNoRows:
return 0
case err != nil:
log.Error("Failed selecting all users count: %v", err)
return 0
}
return count
}
func (db *datastore) GetUserLastPostTime(id int64) (*time.Time, error) {
var t time.Time
err := db.QueryRow("SELECT created FROM posts WHERE owner_id = ? ORDER BY created DESC LIMIT 1", id).Scan(&t)
switch {
case err == sql.ErrNoRows:
return nil, nil
case err != nil:
log.Error("Failed selecting last post time from posts: %v", err)
return nil, err
}
return &t, nil
}
// SetUserStatus changes a user's status in the database. see Users.UserStatus
func (db *datastore) SetUserStatus(id int64, status UserStatus) error {
_, err := db.Exec("UPDATE users SET status = ? WHERE id = ?", status, id)
if err != nil {
return fmt.Errorf("failed to update user status: %v", err)
}
return nil
}
func (db *datastore) GetCollectionLastPostTime(id int64) (*time.Time, error) {
var t time.Time
err := db.QueryRow("SELECT created FROM posts WHERE collection_id = ? ORDER BY created DESC LIMIT 1", id).Scan(&t)
switch {
case err == sql.ErrNoRows:
return nil, nil
case err != nil:
log.Error("Failed selecting last post time from posts: %v", err)
return nil, err
}
return &t, nil
}
func (db *datastore) GenerateOAuthState(ctx context.Context, provider string, clientID string, attachUser int64, inviteCode string) (string, error) {
state := id.Generate62RandomString(24)
attachUserVal := sql.NullInt64{Valid: attachUser > 0, Int64: attachUser}
inviteCodeVal := sql.NullString{Valid: inviteCode != "", String: inviteCode}
_, err := db.ExecContext(ctx, "INSERT INTO oauth_client_states (state, provider, client_id, used, created_at, attach_user_id, invite_code) VALUES (?, ?, ?, FALSE, "+db.now()+", ?, ?)", state, provider, clientID, attachUserVal, inviteCodeVal)
if err != nil {
return "", fmt.Errorf("unable to record oauth client state: %w", err)
}
return state, nil
}
func (db *datastore) ValidateOAuthState(ctx context.Context, state string) (string, string, int64, string, error) {
var provider string
var clientID string
var attachUserID sql.NullInt64
var inviteCode sql.NullString
err := wf_db.RunTransactionWithOptions(ctx, db.DB, &sql.TxOptions{}, func(ctx context.Context, tx *sql.Tx) error {
err := tx.
QueryRowContext(ctx, "SELECT provider, client_id, attach_user_id, invite_code FROM oauth_client_states WHERE state = ? AND used = FALSE", state).
Scan(&provider, &clientID, &attachUserID, &inviteCode)
if err != nil {
return err
}
res, err := tx.ExecContext(ctx, "UPDATE oauth_client_states SET used = TRUE WHERE state = ?", state)
if err != nil {
return err
}
rowsAffected, err := res.RowsAffected()
if err != nil {
return err
}
if rowsAffected != 1 {
return fmt.Errorf("state not found")
}
return nil
})
if err != nil {
return "", "", 0, "", nil
}
return provider, clientID, attachUserID.Int64, inviteCode.String, nil
}
func (db *datastore) RecordRemoteUserID(ctx context.Context, localUserID int64, remoteUserID, provider, clientID, accessToken string) error {
var err error
if db.driverName == driverSQLite {
_, err = db.ExecContext(ctx, "INSERT OR REPLACE INTO oauth_users (user_id, remote_user_id, provider, client_id, access_token) VALUES (?, ?, ?, ?, ?)", localUserID, remoteUserID, provider, clientID, accessToken)
} else {
_, err = db.ExecContext(ctx, "INSERT INTO oauth_users (user_id, remote_user_id, provider, client_id, access_token) VALUES (?, ?, ?, ?, ?) "+db.upsert("user")+" access_token = ?", localUserID, remoteUserID, provider, clientID, accessToken, accessToken)
}
if err != nil {
log.Error("Unable to INSERT oauth_users for '%d': %v", localUserID, err)
}
return err
}
// GetIDForRemoteUser returns a user ID associated with a remote user ID.
func (db *datastore) GetIDForRemoteUser(ctx context.Context, remoteUserID, provider, clientID string) (int64, error) {
var userID int64 = -1
err := db.
QueryRowContext(ctx, "SELECT user_id FROM oauth_users WHERE remote_user_id = ? AND provider = ? AND client_id = ?", remoteUserID, provider, clientID).
Scan(&userID)
// Not finding a record is OK.
if err != nil && err != sql.ErrNoRows {
return -1, err
}
return userID, nil
}
type oauthAccountInfo struct {
Provider string
ClientID string
RemoteUserID string
DisplayName string
AllowDisconnect bool
}
func (db *datastore) GetOauthAccounts(ctx context.Context, userID int64) ([]oauthAccountInfo, error) {
rows, err := db.QueryContext(ctx, "SELECT provider, client_id, remote_user_id FROM oauth_users WHERE user_id = ? ", userID)
if err != nil {
log.Error("Failed selecting from oauth_users: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user oauth accounts."}
}
defer rows.Close()
var records []oauthAccountInfo
for rows.Next() {
info := oauthAccountInfo{}
err = rows.Scan(&info.Provider, &info.ClientID, &info.RemoteUserID)
if err != nil {
log.Error("Failed scanning GetAllUsers() row: %v", err)
break
}
records = append(records, info)
}
return records, nil
}
// DatabaseInitialized returns whether or not the current datastore has been
// initialized with the correct schema.
// Currently, it checks to see if the `users` table exists.
func (db *datastore) DatabaseInitialized() bool {
var dummy string
var err error
if db.driverName == driverSQLite {
err = db.QueryRow("SELECT name FROM sqlite_master WHERE type = 'table' AND name = 'users'").Scan(&dummy)
} else {
err = db.QueryRow("SHOW TABLES LIKE 'users'").Scan(&dummy)
}
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SHOW TABLES: %v", err)
return false
}
return true
}
func (db *datastore) RemoveOauth(ctx context.Context, userID int64, provider string, clientID string, remoteUserID string) error {
_, err := db.ExecContext(ctx, `DELETE FROM oauth_users WHERE user_id = ? AND provider = ? AND client_id = ? AND remote_user_id = ?`, userID, provider, clientID, remoteUserID)
return err
}
func stringLogln(log *string, s string, v ...interface{}) {
*log += fmt.Sprintf(s+"\n", v...)
}
func handleFailedPostInsert(err error) error {
log.Error("Couldn't insert into posts: %v", err)
return err
}
func (db *datastore) GetProfilePageFromHandle(app *App, handle string) (string, error) {
handle = strings.TrimLeft(handle, "@")
actorIRI := ""
parts := strings.Split(handle, "@")
if len(parts) != 2 {
return "", fmt.Errorf("invalid handle format")
}
domain := parts[1]
// Check non-AP instances
if siloProfileURL := silobridge.Profile(parts[0], domain); siloProfileURL != "" {
return siloProfileURL, nil
}
remoteUser, err := getRemoteUserFromHandle(app, handle)
if err != nil {
// can't find using handle in the table but the table may already have this user without
// handle from a previous version
// TODO: Make this determination. We should know whether a user exists without a handle, or doesn't exist at all
actorIRI = RemoteLookup(handle)
_, errRemoteUser := getRemoteUser(app, actorIRI)
// if it exists then we need to update the handle
if errRemoteUser == nil {
_, err := app.db.Exec("UPDATE remoteusers SET handle = ? WHERE actor_id = ?", handle, actorIRI)
if err != nil {
log.Error("Couldn't update handle '%s' for user %s", handle, actorIRI)
}
} else {
// this probably means we don't have the user in the table so let's try to insert it
// here we need to ask the server for the inboxes
remoteActor, err := activityserve.NewRemoteActor(actorIRI)
if err != nil {
log.Error("Couldn't fetch remote actor: %v", err)
}
if debugging {
log.Info("%s %s %s %s", actorIRI, remoteActor.GetInbox(), remoteActor.GetSharedInbox(), handle)
}
_, err = app.db.Exec("INSERT INTO remoteusers (actor_id, inbox, shared_inbox, handle) VALUES(?, ?, ?, ?)", actorIRI, remoteActor.GetInbox(), remoteActor.GetSharedInbox(), handle)
if err != nil {
log.Error("Couldn't insert remote user: %v", err)
return "", err
}
}
} else {
actorIRI = remoteUser.ActorID
}
return actorIRI, nil
}