image viewer problems (oC X)

[mafony]

Steps to reproduce

1. Web - [any jpeg folder] - click on jpg - no download button in right top.
2. Web - [any jpeg folder] - gallery view- click on jpg - download button exist in right top.

Expected behaviour

Web - [any jpeg folder] - click on jpg - download button shuld be in right top.

Actual behaviour

No download button as expected.

Server configuration

Operating system: freebsd 10.3

Web server: lighttpd 1.4.45 and now nginx 1.10.3

Database: mysql

PHP version: 5.6

ownCloud version: 10.0.0

Updated from an older ownCloud or fresh install: (update fail) fresh install

Where did you install ownCloud from: owncloud.org

Login as admin user into your ownCloud and access 
http://example.com/index.php/settings/integrity/failed 
paste the results into https://gist.github.com/ and puth the link here.

no errors.

The content of config/config.php:

<?php
$CONFIG = array (
  'instanceid' => '...',
  'passwordsalt' => '...',
  'secret' => '...',
  'trusted_domains' => 
  array (
    0 => '...',
  ),
  'datadirectory' => '/data_root',
  'files_external_allow_create_new_local' => true,
  'overwrite.cli.url' => 'https://...',
  'dbtype' => 'mysql',
  'version' => '10.0.0.12',
  'dbname' => 'ocdb',
  'dbhost' => 'localhost',
  'dbtableprefix' => 'oc_',
  'dbuser' => '...',
  'dbpassword' => '...',
  'log_type' => 'syslog',
  'syslog_tag' => 'owncloud',
  'logtimezone' => '...',
  'loglevel' => 2,
  'installed' => true,
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'asset-pipeline.enabled' => true,
  'maintenance' => false,
  'singleuser' => false,
);

List of activated apps:

Enabled:
  - activity: 2.3.3
  - comments: 0.3.0
  - configreport: 0.1.1
  - contacts: 1.5.2
  - dav: 0.2.8
  - federatedfilesharing: 0.3.0
  - federation: 0.1.0
  - files: 1.5.1
  - files_external: 0.7.0
  - files_pdfviewer: 0.8.1
  - files_sharing: 0.10.0
  - files_texteditor: 2.1
  - files_trashbin: 0.9.0
  - files_versions: 1.3.0
  - files_videoplayer: 0.9.8
  - firstrunwizard: 1.1
  - gallery: 15.0.0
  - market: 0.1.0
  - notifications: 0.3.0
  - provisioning_api: 0.5.0
  - systemtags: 0.3.0
  - templateeditor: 0.1
  - updatenotification: 0.2.1
Disabled:
  - encryption
  - example-theme
  - external
  - files_antivirus
  - user_external

Are you using external storage, if yes which one: local/smb/sftp/...
local
Are you using encryption: yes/no
no
Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...
no

Client configuration

Browser: chrome, IE

Operating system: win7, android

Logs

Web server error log

no errors (past day)

ownCloud log (data/owncloud.log)

Apr 30 20:22:14 jail2 owncloud[37852]: {PHP} file_get_contents(/data_root//files/usr/local/www/owncloud/core/img/filetypes/audio.svg): failed to open stream: No such file or directory at /usr/local/www/owncloud/lib/private/Files/Storage/Local.php#208
Apr 30 20:22:14 jail2 owncloud[37852]: {PHP} imagecreatefromstring(): Empty string or invalid image at /usr/local/www/owncloud/lib/private/legacy/image.php#572
Apr 30 20:22:14 jail2 owncloud[37852]: {PHP} file_get_contents(/data_root//files/usr/local/www/owncloud/core/img/filetypes/audio.svg): failed to open stream: No such file or directory at /usr/local/www/owncloud/lib/private/Files/Storage/Local.php#208
Apr 30 20:22:14 jail2 owncloud[37852]: {PHP} imagecreatefromstring(): Empty string or invalid image at /usr/local/www/owncloud/lib/private/legacy/image.php#572
Apr 30 21:56:21 jail2 owncloud[50096]: {PHP} file_get_contents(/data_root//files/usr/local/www/owncloud/core/img/filetypes/audio.svg): failed to open stream: No such file or directory at /usr/local/www/owncloud/lib/private/Files/Storage/Local.php#208
Apr 30 21:56:21 jail2 owncloud[50096]: {PHP} imagecreatefromstring(): Empty string or invalid image at /usr/local/www/owncloud/lib/private/legacy/image.php#572
Apr 30 21:56:21 jail2 owncloud[50096]: {PHP} file_get_contents(/data_root//files/usr/local/www/owncloud/core/img/filetypes/audio.svg): failed to open stream: No such file or directory at /usr/local/www/owncloud/lib/private/Files/Storage/Local.php#208
Apr 30 21:56:21 jail2 owncloud[50096]: {PHP} imagecreatefromstring(): Empty string or invalid image at /usr/local/www/owncloud/lib/private/legacy/image.php#572

[beswan]

I have the same problem. This problem also corrupts the downloaded image and video files.
When I upload image and video files using ShareX 11.7 client, this issue was not reproduced.
I guess that web ui misused some file path related function...
(#27770 issue seems to have same causes.)

[PVince81]

raised in gallery app owncloud/gallery#722

[lock]

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