licence.php

<?php
/*
Copyright Luxo 2008

This file is part of derivativeFX.

    derivativeFX 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 3 of the License, or
    (at your option) any later version.

    derivativeFX 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 derivativeFX.  If not, see <http://www.gnu.org/licenses/>.
    
    */

//Tool um die lizenz eines Bildes herauszufinden.
//Benutze Kategorien, in dem das Bild ist (nicht in dem die vorlagen sind)
//Vorlagen zurückverfolgen bis zur [[Category:Copyright statuses]]

ini_set( 'user_agent', 'DerivativeFX by Luxo on Toolserver / PHP' );

$output = "";
$image = trim( $_GET['image'] );
$image = str_replace( " ", "_", $image );

if ( $image ) {

	$url = "http://commons.wikimedia.org/w/api.php?action=query&prop=templates&format=php&tllimit=500&titles=" . urlencode( $image );

	$raw = file_get_contents( $url );

	if ( $_GET['format'] == "whitelist" ) {
		echo "Query URL: " . htmlspecialchars( $url ) . " ($image)<br>\n";
	}

	$unserialized = unserialize( $raw );
//Array key (pageid) herausfinden
	$pageid = array_keys( $unserialized['query']['pages'] );

	if ( $_GET['format'] == "whitelist" ) {
		echo "<pre> $raw >>>";
		print_r( $unserialized );
		echo "<<< </pre>\n";
	}

	if ( $unserialized['query']['pages'][$pageid['0']]['templates'] ) {

//whitelist erstellen (Templates, die sicher keine Lizenzen sind)
		$whitelist = array();
		$addtowhitelist = array();

//whitelist aus datei laden
		$rawwhitelist = file( "whitelist.txt" );
		foreach ( $rawwhitelist as $whitelistentry ) {
			if ( trim( $whitelistentry ) != "" ) {
				$whitelist[] = trim( $whitelistentry );
			}
		}


//blacklist erstellen (Templates, die sicher Lizenzen sind)
		$suretemplatelist = array();
		$addtosuretemplatelist = array();

//whitelist aus datei laden
		$rawblacklist = file( "blacklist.txt" );
		foreach ( $rawblacklist as $blacklistentry ) {
			if ( trim( $blacklistentry ) != "" ) {
				$suretemplatelist[] = trim( $blacklistentry );
			}
		}


		if ( $_GET['format'] == "whitelist" ) {
			echo "Query URL: " . htmlspecialchars( $url ) . "<br>\n";
			echo "The following templates are on the whitelist:<br>\n";
			htmltemplatelist( $whitelist );

			echo "The following templates are on the license template list:<br>\n";
			htmltemplatelist( $suretemplatelist );
		}

		foreach ( $unserialized['query']['pages'][$pageid['0']]['templates'] as $tmpl ) {

			$template = $tmpl['title']; //easyer
			$arraytemplates[] = $template;

			if ( ! in_array( $template, $whitelist ) AND preg_match( "/\/[a-z][a-z]$/", $template ) === 0 ) //nicht in whitelist und keine sprachvariante "/en" , "/de", ...
			{

				if ( strlen( $template ) > 11 AND $template != "Template:PD" AND substr( $template, 0, 14 ) != "Template:Potd/" ) {

					if ( $_GET['echo'] == true ) {
						$output .= $template . "<br>";
					}
					//Jede Vorlage prüfen: ist es eine Lizenz?

					$islicense[$template] = false; //default
					//Kategorien prüfen, dann noch Subkategorien auf "License tags" prüfen.

					//Kats der Vorlage laden.
					$url = "http://commons.wikimedia.org/w/api.php?action=query&prop=categories&format=php&cllimit=500&titles=" . urlencode( $template );
					$raw = file_get_contents( $url );
					$catunserialized = unserialize( $raw );
					$catid = array_keys( $catunserialized['query']['pages'] );
					//Vorlagen durchgehen
					if ( $catunserialized['query']['pages'][$catid['0']]['categories'] ) {
						foreach ( $catunserialized['query']['pages'][$catid['0']]['categories'] as $katofTemp ) {
							if ( $katofTemp['title'] == "Category:License tags" ) {
								$islicense[$template] = true;
							}
						}
					}

					//Noch nicht als Lizenz identifiziert. Nun Kategorien der Kategorie durchsuchen.
					if ( $islicense[$template] == false && $catunserialized['query']['pages'][$catid['0']]['categories'] ) {
						foreach ( $catunserialized['query']['pages'][$catid['0']]['categories'] as $katofTemp ) {
							$url = "http://commons.wikimedia.org/w/api.php?action=query&prop=categories&format=php&cllimit=500&titles=" . urlencode( $katofTemp['title'] );
							$raw = file_get_contents( $url );
							$catunserialized2 = unserialize( $raw );
							$catid = array_keys( $catunserialized2['query']['pages'] );

							if ( $catunserialized2['query']['pages'][$catid['0']]['categories'] ) {
								foreach ( $catunserialized2['query']['pages'][$catid['0']]['categories'] as $KatOfKat ) {
									if ( $KatOfKat['title'] == "Category:License tags" ) {
										$islicense[$template] = true;
									}
								}
							}
						}
					}

//**
					//Noch nicht als Lizenz identifiziert. Nun Kategorien der Unterkategorie durchsuchen.
					if ( $islicense[$template] == false && $catunserialized2['query']['pages'][$catid['0']]['categories'] ) {
						if ( $_GET['format'] == "whitelist" ) {
							echo "Prüfe $template 3. mal!";
						}
						foreach ( $catunserialized2['query']['pages'][$catid['0']]['categories'] as $katofTemp ) {
							$url = "http://commons.wikimedia.org/w/api.php?action=query&prop=categories&format=php&cllimit=500&titles=" . urlencode( $katofTemp['title'] );
							$raw = file_get_contents( $url );
							$catunserialized3 = unserialize( $raw );
							$catid = array_keys( $catunserialized3['query']['pages'] );

							if ( $catunserialized3['query']['pages'][$catid['0']]['categories'] ) {
								foreach ( $catunserialized3['query']['pages'][$catid['0']]['categories'] as $KatOfKat ) {
									if ( $KatOfKat['title'] == "Category:License tags" ) {
										$islicense[$template] = true;
									}
								}
							}
						}
					}
//**

				}
			}

			if ( $islicense[$template] == false AND ! in_array( $template, $whitelist ) AND ! in_array( $template, $suretemplatelist ) ) {
				if ( ! stristr( $template, "Template:Potd/" ) ) {
					$addtowhitelist[] = $template;
				}
			} else if ( $islicense[$template] == true AND ! in_array( $template, $suretemplatelist ) AND ! in_array( $template, $whitelist ) AND ! in_array( $template, $addtowhitelist ) ) {
				$addtosuretemplatelist[] = $template;
			}


		}
	} else {
//Bild existiert nicht
		$output .= "NOTEXIST";
	}

	if ( $islicense ) {

		$blacklist = array( "Template:Nonderivative", "Template:Speedy delete text", "Template:Speedydelete", "Template:Delete", "Template:Copyvio", "Template:Nld", "Template:Own work", "Template:No license" );
		$save = true;
		foreach ( $blacklist as $blacklisted ) {
			if ( in_array( $blacklisted, $arraytemplates ) ) {
				$save = false;
			}
		}

		if ( $save == true ) {
			foreach ( $islicense as $lizenz => $isit ) {
				if ( $isit == true ) {

					$output .= substr( $lizenz, 9 ) . "|";
				}
			}
		} else {
			$output .= "DELETE";
		}

	}


	if ( $_GET['format'] == "JSON" ) {
		//JSON format

		//thumurl auslesen
		//http://commons.wikimedia.org/w/api.php?action=query&titles=".urlencode($image)."&prop=imageinfo&iiprop=url&iiurlwidth=120&format=txtfm
		$url = "http://commons.wikimedia.org/w/api.php?action=query&titles=" . urlencode( $image ) . "&prop=imageinfo&iiprop=url&iiurlwidth=120&format=php";
		$query = unserialize( file_get_contents( $url ) );

		foreach ( $query['query']['pages'] as $detquery ) {
			$thumburl = $detquery['imageinfo']['0']['thumburl'];
		}


		header( 'Content-type: application/json' );


		if ( trim( $output ) == "" ) {
			$output = "NOLIC";
		}

		echo '{
  "licenses": "' . htmlspecialchars( $output ) . '",
  "tumburl": "' . htmlspecialchars( $thumburl ) . '",
  "url": "' . $url . '",
}';

	} else if ( $_GET['format'] == "IEEX" ) {
		header( 'Content-type: application/json' );
		echo $output;
	} else {
		echo "\n\n\n<br><br><b>Output:</b><pre>" . $output . "</pre><br><br>\n\n";
	}


//Whitelist updaten
	foreach ( $addtowhitelist as $temptowhite ) {
		$addit .= $temptowhite . "\n";
	}
	if ( trim( $addit ) != "" ) {
		//schreiben
		file_put_contents( "whitelist.txt", $addit, FILE_APPEND | LOCK_EX );
	}


//**
//$addtosuretemplatelist updaten
	foreach ( $addtosuretemplatelist as $temptosure ) {
		$addit .= $temptosure . "\n";
	}
	if ( trim( $addit ) != "" ) {
		//schreiben
		file_put_contents( "blacklist.txt", $addit, FILE_APPEND | LOCK_EX );
	}

	if ( $_GET['format'] == "whitelist" ) {
		echo "put the following templates to the whitelist:<br>\n";
		htmltemplatelist( $addtowhitelist );

		echo "put the following templates to the license template list:<br>\n";
		htmltemplatelist( $addtosuretemplatelist );
	}


}

function htmltemplatelist( $templates ) {
	echo "<ol>\n";
	foreach ( $templates as $template ) {
		echo "<li><a href=\"http://commons.wikimedia.org/w/index.php?title=" . urlencode( $template ) . "\">" . htmlspecialchars( $template ) . "</a></li>\n";
	}
	if ( count( $templates ) == 0 ) {
		echo "<li><i>nothing...</i></li>\n";
	}
	echo "</ol><br><br>\n\n";
}


?>