From 2c65904fb0d772b1260cec4deb3b20386015fa29 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Tue, 20 May 2008 06:30:36 +0000
Subject: [PATCH] Got sick of testing local copies of Wikipedia articles with
 no images handy. Threw together a really quick hack FileRepo class to grab
 images from the remote wiki using the MediaWiki API.

Amazingly it sort of works -- be warned however:
* no scaling seems to be done yet -- multi-megapixel images in your browser :D
* no caching of lookups -- verrrry slow
* lookups are done one at a time, not in any kind of batching
* probably doesn't properly support lots and lots of things
---
 includes/AutoLoader.php              |  2 +
 includes/filerepo/ForeignAPIFile.php | 73 ++++++++++++++++++++++++++++
 includes/filerepo/ForeignAPIRepo.php | 53 ++++++++++++++++++++
 includes/filerepo/ForeignDBRepo.php  |  4 +-
 4 files changed, 131 insertions(+), 1 deletion(-)
 create mode 100644 includes/filerepo/ForeignAPIFile.php
 create mode 100644 includes/filerepo/ForeignAPIRepo.php

diff --git a/includes/AutoLoader.php b/includes/AutoLoader.php
index a2e60e49ba..56881c1477 100644
--- a/includes/AutoLoader.php
+++ b/includes/AutoLoader.php
@@ -302,6 +302,8 @@ function __autoload($className) {
 		'File' => 'includes/filerepo/File.php',
 		'FileRepo' => 'includes/filerepo/FileRepo.php',
 		'FileRepoStatus' => 'includes/filerepo/FileRepoStatus.php',
+		'ForeignAPIFile' => 'includes/filerepo/ForeignAPIFile.php',
+		'ForeignAPIRepo' => 'includes/filerepo/ForeignAPIRepo.php',
 		'ForeignDBFile' => 'includes/filerepo/ForeignDBFile.php',
 		'ForeignDBRepo' => 'includes/filerepo/ForeignDBRepo.php',
 		'ForeignDBViaLBRepo' => 'includes/filerepo/ForeignDBViaLBRepo.php',
diff --git a/includes/filerepo/ForeignAPIFile.php b/includes/filerepo/ForeignAPIFile.php
new file mode 100644
index 0000000000..b395396f1e
--- /dev/null
+++ b/includes/filerepo/ForeignAPIFile.php
@@ -0,0 +1,73 @@
+<?php
+
+// Very hacky and inefficient
+// do not use :D
+
+class ForeignAPIFile extends File {
+	function __construct( $title, $repo, $info ) {
+		parent::__construct( $title, $repo );
+		
+		// For some reason API doesn't currently provide type info
+		$magic = MimeMagic::singleton();
+		$info['mime'] = $magic->guessTypesForExtension( $this->getExtension() );
+		list( $info['major_mime'], $info['minor_mime'] ) = self::splitMime( $info['mime'] );
+		$info['media_type'] = $magic->getMediaType( null, $info['mime'] );
+		
+		$this->mInfo = $info;
+	}
+	
+	// Dummy functions...
+	public function exists() {
+		return true;
+	}
+	
+	public function getPath() {
+		return false;
+	}
+	
+	function getThumbPath( $suffix = false ) {
+		return false; // hrmmm
+	}
+	
+	function getThumbUrl( $suffix = false ) {
+		return false; // FLKDSJLKFDJS
+	}
+	
+	// Info we can get from API...
+	public function getWidth( $page = 1 ) {
+		return intval( $this->mInfo['width'] );
+	}
+	
+	public function getHeight( $page = 1 ) {
+		return intval( $this->mInfo['height'] );
+	}
+	
+	public function getMetadata() {
+		return $this->mInfo['metadata'];
+	}
+	
+	public function getSize() {
+		return intval( $this->mInfo['size'] );
+	}
+	
+	public function getUrl() {
+		return $this->mInfo['url'];
+	}
+
+	public function getUser( $method='text' ) {
+		return $this->mInfo['user'];
+	}
+	
+	public function getComment() {
+		return $this->mInfo['comment'];
+	}
+
+	// Info we had to guess...
+	function getMimeType() {
+		return $this->mInfo['mime'];
+	}
+	
+	function getMediaType() {
+		return $this->mInfo['media_type'];
+	}
+}
diff --git a/includes/filerepo/ForeignAPIRepo.php b/includes/filerepo/ForeignAPIRepo.php
new file mode 100644
index 0000000000..b70f604bf0
--- /dev/null
+++ b/includes/filerepo/ForeignAPIRepo.php
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * File repository with no files, for performance testing
+ */
+
+class ForeignAPIRepo extends FileRepo {
+	function __construct( $info ) {
+		parent::__construct( $info );
+		$this->mApiBase = $info['apibase']; // http://commons.wikimedia.org/w/api.php
+	}
+
+	function storeBatch( $triplets, $flags = 0 ) {
+		return false;
+	}
+
+	function storeTemp( $originalName, $srcPath ) {
+		return false;
+	}
+	function publishBatch( $triplets, $flags = 0 ) {
+		return false;
+	}
+	function deleteBatch( $sourceDestPairs ) {
+		return false;
+	}
+	function getFileProps( $virtualUrl ) {
+		return false;
+	}
+	function newFile( $title, $time = false ) {
+		return false;
+	}
+	function findFile( $title, $time = false ) {
+		$url = $this->mApiBase .
+			'?' .
+			wfArrayToCgi( array(
+				'format' => 'json',
+				'action' => 'query',
+				'titles' => $title, // fixme -- canonical namespacea
+				'prop' => 'imageinfo',
+				'iiprop' => 'timestamp|user|comment|url|size|sha1|metadata' ) );
+		$json = Http::get( $url );
+		$data = json_decode( $json, true );
+		
+		if( isset( $data['query']['pages'] ) ) {
+			foreach( $data['query']['pages'] as $pageid => $info ) {
+				if( isset( $info['imageinfo'][0] ) ) {
+					return new ForeignAPIFile( $title, $this, $info['imageinfo'][0] );
+				}
+			}
+		}
+		return false;
+	}
+}
diff --git a/includes/filerepo/ForeignDBRepo.php b/includes/filerepo/ForeignDBRepo.php
index 017ded8cff..1168f2da0d 100644
--- a/includes/filerepo/ForeignDBRepo.php
+++ b/includes/filerepo/ForeignDBRepo.php
@@ -1,7 +1,9 @@
 <?php
 
 /**
- * A foreign repository with an accessible MediaWiki database
+ * A foreign repository with a remote MediaWiki with an API thingy
+ * Very hacky and inefficient
+ * do not use :D
  */
 
 class ForeignDBRepo extends LocalRepo {
-- 
2.20.1