Share link hangs

[jdelvecchio]

When I try to share a file, the process hangs for ever.

Steps to reproduce

1. choose a file
2. click share
3. click "Share Link"

Server configuration

Operating system: Ubuntu 14.04

Web server: APACHE 2.4.7

Database: MYSQL 5.5.41

PHP version: PHP 5.5.9

ownCloud version: 7.0.3.4

Lines in the log

{"app":"PHP","message":"Call to a member function getUID() on a non-object at /usr/share/owncloud/apps/files_external/lib/config.php#124","level":3,"time":"2015-03-19T08:57:21+00:00"}

[MorrisJobke]

There was a fix added for this in 7.0.4. Please update your instance and this will be gone.

ref #12290