Add unit test for bug 32888
[lhc/web/wiklou.git] / maintenance / importImages.php
index c41bfa6..17e3f0d 100644 (file)
 
 /**
  * Maintenance script to import one or more images from the local file system into
- * the wiki without using the web-based interface
+ * the wiki without using the web-based interface.
+ *
+ * "Smart import" additions:
+ * - aim: preserve the essential metadata (user, description) when importing medias from an existing wiki
+ * - process:
+ *      - interface with the source wiki, don't use bare files only (see --source-wiki-url).
+ *      - fetch metadata from source wiki for each file to import.
+ *      - commit the fetched metadata to the destination wiki while submitting.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
  *
  * @file
  * @ingroup Maintenance
  * @author Rob Church <robchur@gmail.com>
+ * @author Mij <mij@bitchx.it>
  */
 
-$optionsWithArgs = array( 'extensions', 'comment', 'comment-file', 'comment-ext', 'user', 'license', 'sleep', 'limit', 'from' );
-require_once( dirname(__FILE__) . '/commandLine.inc' );
-require_once( 'importImages.inc' );
+$optionsWithArgs = array( 'extensions', 'comment', 'comment-file', 'comment-ext', 'user', 'license', 'sleep', 'limit', 'from', 'source-wiki-url' );
+require_once( dirname( __FILE__ ) . '/commandLine.inc' );
+require_once( dirname( __FILE__ ) . '/importImages.inc' );
 $processed = $added = $ignored = $skipped = $overwritten = $failed = 0;
 
 echo( "Import Images\n\n" );
 
 # Need a path
-if( count( $args ) > 0 ) {
-
-       $dir = $args[0];
-
-       # Check Protection
-       if (isset($options['protect']) && isset($options['unprotect']))
-                       die("Cannot specify both protect and unprotect.  Only 1 is allowed.\n");
-
-if (isset($options['protect']) && $options['protect'] == 1)
-                       die("You must specify a protection option.\n");
-
-       # Prepare the list of allowed extensions
-       global $wgFileExtensions;
-       $extensions = isset( $options['extensions'] )
-               ? explode( ',', strtolower( $options['extensions'] ) )
-               : $wgFileExtensions;
-
-       # Search the path provided for candidates for import
-       $files = findFiles( $dir, $extensions );
-
-       # Initialise the user for this operation
-       $user = isset( $options['user'] )
-               ? User::newFromName( $options['user'] )
-               : User::newFromName( 'Maintenance script' );
-       if( !$user instanceof User )
-               $user = User::newFromName( 'Maintenance script' );
-       $wgUser = $user;
-
-       # Get block check. If a value is given, this specified how often the check is performed
-       if ( isset( $options['check-userblock'] ) ) {
-               if ( !$options['check-userblock'] ) $checkUserBlock = 1;
-               else $checkUserBlock = (int)$options['check-userblock']; 
+if ( count( $args ) == 0 ) {
+       showUsage();
+}
+
+$dir = $args[0];
+
+# Check Protection
+if ( isset( $options['protect'] ) && isset( $options['unprotect'] ) ) {
+       die( "Cannot specify both protect and unprotect.  Only 1 is allowed.\n" );
+}
+
+if ( isset( $options['protect'] ) && $options['protect'] == 1 ) {
+       die( "You must specify a protection option.\n" );
+}
+
+# Prepare the list of allowed extensions
+global $wgFileExtensions;
+$extensions = isset( $options['extensions'] )
+       ? explode( ',', strtolower( $options['extensions'] ) )
+       : $wgFileExtensions;
+
+# Search the path provided for candidates for import
+$files = findFiles( $dir, $extensions );
+
+# Initialise the user for this operation
+$user = isset( $options['user'] )
+       ? User::newFromName( $options['user'] )
+       : User::newFromName( 'Maintenance script' );
+if ( !$user instanceof User ) {
+       $user = User::newFromName( 'Maintenance script' );
+}
+$wgUser = $user;
+
+# Get block check. If a value is given, this specified how often the check is performed
+if ( isset( $options['check-userblock'] ) ) {
+       if ( !$options['check-userblock'] ) {
+               $checkUserBlock = 1;
        } else {
-               $checkUserBlock = false;
+               $checkUserBlock = (int)$options['check-userblock'];
        }
+} else {
+       $checkUserBlock = false;
+}
 
-       # Get --from 
-       $from = @$options['from'];
+# Get --from
+$from = @$options['from'];
 
-       # Get sleep time. 
-       $sleep = @$options['sleep'];
-       if ( $sleep ) $sleep = (int)$sleep; 
+# Get sleep time.
+$sleep = @$options['sleep'];
+if ( $sleep ) {
+       $sleep = (int)$sleep;
+}
 
-       # Get limit number
-       $limit = @$options['limit'];
-       if ( $limit ) $limit = (int)$limit; 
+# Get limit number
+$limit = @$options['limit'];
+if ( $limit ) {
+       $limit = (int)$limit;
+}
 
-       # Get the upload comment
-       $comment = 'Importing image file';
+# Get the upload comment. Provide a default one in case there's no comment given.
+$comment = 'Importing image file';
 
-       if ( isset( $options['comment-file'] ) ) {
-               $comment =  file_get_contents( $options['comment-file'] );
-               if ( $comment === false || $comment === NULL ) {
-                       die( "failed to read comment file: {$options['comment-file']}\n" );
-               }
-       }
-       else if ( isset( $options['comment'] ) ) {
-               $comment =  $options['comment'];
+if ( isset( $options['comment-file'] ) ) {
+       $comment =  file_get_contents( $options['comment-file'] );
+       if ( $comment === false || $comment === null ) {
+               die( "failed to read comment file: {$options['comment-file']}\n" );
        }
+} elseif ( isset( $options['comment'] ) ) {
+       $comment =  $options['comment'];
+}
+
+$commentExt = isset( $options['comment-ext'] ) ? $options['comment-ext'] : false;
+
+# Get the license specifier
+$license = isset( $options['license'] ) ? $options['license'] : '';
+
+# Batch "upload" operation
+$count = count( $files );
+if ( $count > 0 ) {
 
-       $commentExt = isset( $options['comment-ext'] ) ? $options['comment-ext'] : false;
-
-       # Get the license specifier
-       $license = isset( $options['license'] ) ? $options['license'] : '';
-
-       # Batch "upload" operation
-       if( ( $count = count( $files ) ) > 0 ) {
-       
-               foreach( $files as $file ) {
-                       $base = wfBaseName( $file );
-       
-                       # Validate a title
-                       $title = Title::makeTitleSafe( NS_FILE, $base );
-                       if( !is_object( $title ) ) {
-                               echo( "{$base} could not be imported; a valid title cannot be produced\n" );
+       foreach ( $files as $file ) {
+               $base = wfBaseName( $file );
+
+               # Validate a title
+               $title = Title::makeTitleSafe( NS_FILE, $base );
+               if ( !is_object( $title ) ) {
+                       echo( "{$base} could not be imported; a valid title cannot be produced\n" );
+                       continue;
+               }
+
+               if ( $from ) {
+                       if ( $from == $title->getDBkey() ) {
+                               $from = null;
+                       } else {
+                               $ignored++;
                                continue;
                        }
-       
-                       if ( $from ) {
-                               if ( $from == $title->getDBkey() ) {
-                                       $from = NULL;
-                               } else {
-                                       $ignored++;
-                                       continue;
-                               }
+               }
+
+               if ( $checkUserBlock && ( ( $processed % $checkUserBlock ) == 0 ) ) {
+                       $user->clearInstanceCache( 'name' ); // reload from DB!
+                       if ( $user->isBlocked() ) {
+                               echo( $user->getName() . " was blocked! Aborting.\n" );
+                               break;
                        }
+               }
 
-                       if ( $checkUserBlock && ( ( $processed % $checkUserBlock ) == 0 ) ) {
-                               $user->clearInstanceCache( 'name' ); //reload from DB!
-                               if ( $user->isBlocked() ) {
-                                       echo( $user->getName() . " was blocked! Aborting." );
-                                       break;
-                               }
+               # Check existence
+               $image = wfLocalFile( $title );
+               if ( $image->exists() ) {
+                       if ( isset( $options['overwrite'] ) ) {
+                               echo( "{$base} exists, overwriting..." );
+                               $svar = 'overwritten';
+                       } else {
+                               echo( "{$base} exists, skipping\n" );
+                               $skipped++;
+                               continue;
                        }
+               } else {
+                       if ( isset( $options['skip-dupes'] ) ) {
+                               $repo = $image->getRepo();
+                               $sha1 = File::sha1Base36( $file ); # XXX: we end up calculating this again when actually uploading. that sucks.
 
-                       # Check existence
-                       $image = wfLocalFile( $title );
-                       if( $image->exists() ) {
-                               if( isset( $options['overwrite'] ) ) {
-                                       echo( "{$base} exists, overwriting..." );
-                                       $svar = 'overwritten';
-                               } else {
-                                       echo( "{$base} exists, skipping\n" );
+                               $dupes = $repo->findBySha1( $sha1 );
+
+                               if ( $dupes ) {
+                                       echo( "{$base} already exists as " . $dupes[0]->getName() . ", skipping\n" );
                                        $skipped++;
                                        continue;
                                }
-                       } else {
-                               echo( "Importing {$base}..." );
-                               $svar = 'added';
                        }
 
+                       echo( "Importing {$base}..." );
+                       $svar = 'added';
+               }
+
+               if ( isset( $options['source-wiki-url'] ) ) {
+                       /* find comment text directly from source wiki, through MW's API */
+                       $real_comment = getFileCommentFromSourceWiki( $options['source-wiki-url'], $base );
+                       if ( $real_comment === false )
+                               $commentText = $comment;
+                       else
+                               $commentText = $real_comment;
+
+                       /* find user directly from source wiki, through MW's API */
+                       $real_user = getFileUserFromSourceWiki( $options['source-wiki-url'], $base );
+                       if ( $real_user === false ) {
+                               $wgUser = $user;
+                       } else {
+                               $wgUser = User::newFromName( $real_user );
+                               if ( $wgUser === false ) {
+                                       # user does not exist in target wiki
+                                       echo ( "failed: user '$real_user' does not exist in target wiki." );
+                                       continue;
+                               }
+                       }
+               } else {
                        # Find comment text
                        $commentText = false;
 
@@ -141,107 +210,105 @@ if (isset($options['protect']) && $options['protect'] == 1)
                                                echo( " Failed to load comment file {$f}, using default comment. " );
                                        }
                                }
-
-                               if ( $commentText && $comment ) {
-                                       $commentText = trim( $commentText ) . "\n\n" . trim( $comment );
-                               }
                        }
 
                        if ( !$commentText ) {
                                $commentText = $comment;
                        }
+               }
 
-                       # Import the file       
-                       if ( isset( $options['dry'] ) ) {
-                               echo( " publishing {$file}... " );
-                       } else {
-                               $archive = $image->publish( $file );
-                               if( WikiError::isError( $archive ) || !$archive->isGood() ) {
-                                       echo( "failed.\n" );
-                                       $failed++;
-                                       continue;
-                               }
-                       }
-                       
-                       $doProtect = false;
-                       $restrictions = array();
-                       
-                       global $wgRestrictionLevels;
-                       
-                       $protectLevel = isset($options['protect']) ? $options['protect'] : null;
-                       
-                       if ( $protectLevel && in_array( $protectLevel, $wgRestrictionLevels ) ) {
-                                       $restrictions['move'] = $protectLevel;
-                                       $restrictions['edit'] = $protectLevel;
-                                       $doProtect = true;
-                       }
-                       if (isset($options['unprotect'])) {
-                                       $restrictions['move'] = '';
-                                       $restrictions['edit'] = '';
-                                       $doProtect = true;
+               # Import the file
+               if ( isset( $options['dry'] ) ) {
+                       echo( " publishing {$file} by '" . $wgUser->getName() . "', comment '$commentText'... " );
+               } else {
+                       $archive = $image->publish( $file );
+                       if ( !$archive->isGood() ) {
+                               echo( "failed. (" .
+                                       $archive->getWikiText() .
+                                       ")\n" );
+                               $failed++;
+                               continue;
                        }
+               }
 
+               $doProtect = false;
+               $restrictions = array();
 
-                       if ( isset( $options['dry'] ) ) {
-                               echo( "done.\n" );
-                       } else if ( $image->recordUpload( $archive->value, $commentText, $license ) ) {
-                               # We're done!
-                               echo( "done.\n" );
-                               if ($doProtect) {
-                                               # Protect the file
-                                               $article = new Article( $title );
-                                               echo "\nWaiting for slaves...\n";
-                                               // Wait for slaves.
-                                               sleep(2.0);
-                                               wfWaitForSlaves( 1.0 );
-                                               
-                                               echo( "\nSetting image restrictions ... " );
-                                               if ( $article->updateRestrictions($restrictions) )
-                                                               echo( "done.\n" );
-                                               else
-                                                               echo( "failed.\n" );
-                               }
+               global $wgRestrictionLevels;
 
-                       } else {
-                               echo( "failed.\n" );
-                               $svar = 'failed';
+               $protectLevel = isset( $options['protect'] ) ? $options['protect'] : null;
+
+               if ( $protectLevel && in_array( $protectLevel, $wgRestrictionLevels ) ) {
+                               $restrictions['move'] = $protectLevel;
+                               $restrictions['edit'] = $protectLevel;
+                               $doProtect = true;
+               }
+               if ( isset( $options['unprotect'] ) ) {
+                               $restrictions['move'] = '';
+                               $restrictions['edit'] = '';
+                               $doProtect = true;
+               }
+
+
+               if ( isset( $options['dry'] ) ) {
+                       echo( "done.\n" );
+               } elseif ( $image->recordUpload( $archive->value, $commentText, $license ) ) {
+                       # We're done!
+                       echo( "done.\n" );
+                       if ( $doProtect ) {
+                                       # Protect the file
+                                       $article = new Article( $title );
+                                       echo "\nWaiting for slaves...\n";
+                                       // Wait for slaves.
+                                       sleep( 2.0 ); # Why this sleep?
+                                       wfWaitForSlaves();
+
+                                       echo( "\nSetting image restrictions ... " );
+                                       if ( $article->updateRestrictions( $restrictions ) ) {
+                                               echo( "done.\n" );
+                                       } else {
+                                               echo( "failed.\n" );
+                                       }
                        }
-                       
-                       $$svar++;
-                       $processed++;
 
-                       if ( $limit && $processed >= $limit )
-                               break;
+               } else {
+                       echo( "failed. (at recordUpload stage)\n" );
+                       $svar = 'failed';
+               }
+
+               $$svar++;
+               $processed++;
 
-                       if ( $sleep )
-                               sleep( $sleep );
+               if ( $limit && $processed >= $limit ) {
+                       break;
                }
-               
-               # Print out some statistics
-               echo( "\n" );
-               foreach( array( 'count' => 'Found', 'limit' => 'Limit', 'ignored' => 'Ignored', 
-                       'added' => 'Added', 'skipped' => 'Skipped', 'overwritten' => 'Overwritten', 
-                       'failed' => 'Failed' ) as $var => $desc ) {
-                       if( $$var > 0 )
-                               echo( "{$desc}: {$$var}\n" );
+
+               if ( $sleep ) {
+                       sleep( $sleep );
                }
-               
-       } else {
-               echo( "No suitable files could be found for import.\n" );
+       }
+
+       # Print out some statistics
+       echo( "\n" );
+       foreach ( array( 'count' => 'Found', 'limit' => 'Limit', 'ignored' => 'Ignored',
+               'added' => 'Added', 'skipped' => 'Skipped', 'overwritten' => 'Overwritten',
+               'failed' => 'Failed' ) as $var => $desc ) {
+               if ( $$var > 0 )
+                       echo( "{$desc}: {$$var}\n" );
        }
 
 } else {
-       showUsage();
+       echo( "No suitable files could be found for import.\n" );
 }
 
-exit(0);
+exit( 0 );
 
 function showUsage( $reason = false ) {
-       if( $reason ) {
+       if ( $reason ) {
                echo( $reason . "\n" );
        }
 
-       echo <<<END
+       echo <<<TEXT
 Imports images and other media files into the wiki
 USAGE: php importImages.php [options] <dir>
 
@@ -252,7 +319,8 @@ Options:
 --overwrite            Overwrite existing images with the same name (default is to skip them)
 --limit=<num>          Limit the number of images to process. Ignored or skipped images are not counted.
 --from=<name>          Ignore all files until the one with the given name. Useful for resuming
-                        aborted imports. <name> should be the file's canonical database form.
+                                               aborted imports. <name> should be the file's canonical database form.
+--skip-dupes           Skip images that were already uploaded under a different name (check SHA1)
 --sleep=<sec>          Sleep between files. Useful mostly for debugging.
 --user=<username>      Set username of uploader, default 'Maintenance script'
 --check-userblock      Check if the user got blocked during import.
@@ -264,7 +332,9 @@ Options:
 --dry                  Dry run, don't import anything
 --protect=<protect>     Specify the protect value (autoconfirmed,sysop)
 --unprotect             Unprotects all uploaded images
+--source-wiki-url   if specified, take User and Comment data for each imported file from this URL.
+                                       For example, --source-wiki-url="http://en.wikipedia.org/"
 
-END;
-       exit(1);
-}
\ No newline at end of file
+TEXT;
+       exit( 1 );
+}