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<?php |
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|
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abstract class DeepLData { |
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public $allow_cache = true; |
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|
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protected function isCacheValid( $cache_file, $max_age = false ) { |
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if ( !$this->allow_cache ) { |
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$this->why_no_cache = "Cache not allowed"; |
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return false; |
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} |
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elseif ( !file_exists( $cache_file ) ) { |
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$this->why_no_cache = "No cache file $this->cache_file"; |
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return false; |
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} |
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elseif ( filesize( $cache_file ) < 10 ) { |
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$this->why_no_cache = "Cache file too small"; |
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return false; |
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} |
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elseif ( !file_get_contents( $cache_file ) ) { |
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$this->why_no_cache = "Cache file not readable"; |
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return false; |
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} |
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return true; |
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} |
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|
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protected function getCacheDirectory() { |
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return WPDEEPL_FILES; |
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} |
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|
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// http://nadeausoftware.com/articles/2008/05/php_tip_how_convert_relative_url_absolute_url |
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protected function url_to_absolute( $baseUrl, $relativeUrl ) { |
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// If relative URL has a scheme, clean path and return. |
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$r = $this->split_url( $relativeUrl ); |
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if ( $r === FALSE ) |
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return FALSE; |
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if ( !empty( $r['scheme'] ) ) { |
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if ( !empty( $r['path'] ) && $r['path'][0] == '/' ) |
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$r['path'] = $this->url_remove_dot_segments( $r['path'] ); |
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return $this->join_url( $r ); |
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} |
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|
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// Make sure the base URL is absolute. |
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$b = $this->split_url( $baseUrl ); |
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if ( $b === FALSE || empty( $b['scheme'] ) || empty( $b['host'] ) ) |
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return FALSE; |
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$r['scheme'] = $b['scheme']; |
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|
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// If relative URL has an authority, clean path and return. |
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if ( isset( $r['host'] ) ) { |
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if ( !empty( $r['path'] ) ) |
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$r['path'] = $this->url_remove_dot_segments( $r['path'] ); |
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return $this->join_url( $r ); |
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} |
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unset( $r['port'] ); |
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unset( $r['user'] ); |
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unset( $r['pass'] ); |
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|
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// Copy base authority. |
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$r['host'] = $b['host']; |
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if ( isset( $b['port'] ) ) $r['port'] = $b['port']; |
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if ( isset( $b['user'] ) ) $r['user'] = $b['user']; |
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if ( isset( $b['pass'] ) ) $r['pass'] = $b['pass']; |
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|
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// If relative URL has no path, use base path |
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if ( empty( $r['path'] ) ) { |
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if ( !empty( $b['path'] ) ) |
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$r['path'] = $b['path']; |
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if ( !isset( $r['query'] ) && isset( $b['query'] ) ) |
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$r['query'] = $b['query']; |
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return $this->join_url( $r ); |
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} |
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|
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// If relative URL path doesn't start with /, merge with base path |
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if ( $r['path'][0] != '/' ) { |
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$base = mb_strrchr( $b['path'], '/', TRUE, 'UTF-8' ); |
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if ( $base === FALSE ) $base = ''; |
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$r['path'] = $base . '/' . $r['path']; |
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} |
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$r['path'] = $this->url_remove_dot_segments( $r['path'] ); |
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return $this->join_url( $r ); |
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} |
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protected function url_remove_dot_segments( $path ) { |
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// multi-byte character explode |
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$inSegs = preg_split( '!/!u', $path ); |
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$outSegs = array( ); |
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foreach ( $inSegs as $seg ) { |
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if ( $seg == '' || $seg == '.' ) { |
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continue; |
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} |
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if ( $seg == '..' ) { |
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array_pop( $outSegs ); |
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} |
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else { |
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array_push( $outSegs, $seg ); |
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} |
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} |
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$outPath = implode( '/', $outSegs ); |
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if ( $path[0] == '/' ) { |
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$outPath = '/' . $outPath; |
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} |
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// compare last multi-byte character against '/' |
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if ( |
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$outPath != '/' |
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&& ( mb_strlen( $path )-1 ) == mb_strrpos( $path, '/', 0, 'UTF-8' ) |
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) { |
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$outPath .= '/'; |
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} |
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return $outPath; |
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} |
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|
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protected function split_url( $url, $decode=TRUE ) { |
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$xunressub = 'a-zA-Z\d\-._~\!$&\'()*+, ;='; |
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$xpchar = $xunressub . ':@%'; |
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$xscheme = '( [a-zA-Z][a-zA-Z\d+-.]* )'; |
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$xuserinfo = '( ( [' . $xunressub . '%]* )' . '( :( [' . $xunressub . ':%]* ) )? )'; |
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$xipv4 = '( \d{1, 3}\.\d{1, 3}\.\d{1, 3}\.\d{1, 3} )'; |
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$xipv6 = '( \[( [a-fA-F\d.:]+ )\] )'; |
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$xhost_name = '( [a-zA-Z\d-.%]+ )'; |
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$xhost = '( ' . $xhost_name . '|' . $xipv4 . '|' . $xipv6 . ' )'; |
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$xport = '( \d* )'; |
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$xauthority = '( ( ' . $xuserinfo . '@ )?' . $xhost . '?( :' . $xport . ' )? )'; |
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$xslash_seg = '( /[' . $xpchar . ']* )'; |
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$xpath_authabs = '( ( //' . $xauthority . ' )( ( /[' . $xpchar . ']* )* ) )'; |
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$xpath_rel = '( [' . $xpchar . ']+' . $xslash_seg . '* )'; |
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$xpath_abs = '( /( ' . $xpath_rel . ' )? )'; |
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$xapath = '( ' . $xpath_authabs . '|' . $xpath_abs . '|' . $xpath_rel . ' )'; |
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$xqueryfrag = '( [' . $xpchar . '/?' . ']* )'; |
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$xurl = '^( ' . $xscheme . ': )?' . $xapath . '?' . '( \?' . $xqueryfrag . ' )?( #' . $xqueryfrag . ' )?$'; |
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|
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// Split the URL into components. |
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if ( !preg_match( '!' . $xurl . '!', $url, $m ) ) |
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return FALSE; |
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|
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if ( !empty( $m[2] ) ) $parts['scheme'] = strtolower( $m[2] ); |
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|
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if ( !empty( $m[7] ) ) { |
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if ( isset( $m[9] ) ) $parts['user'] = $m[9]; |
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else $parts['user'] = ''; |
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} |
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if ( !empty( $m[10] ) ) $parts['pass'] = $m[11]; |
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|
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if ( !empty( $m[13] ) ) $h=$parts['host'] = $m[13]; |
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else if ( !empty( $m[14] ) ) $parts['host'] = $m[14]; |
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else if ( !empty( $m[16] ) ) $parts['host'] = $m[16]; |
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else if ( !empty( $m[5] ) ) $parts['host'] = ''; |
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if ( !empty( $m[17] ) ) $parts['port'] = $m[18]; |
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|
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if ( !empty( $m[19] ) ) $parts['path'] = $m[19]; |
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else if ( !empty( $m[21] ) ) $parts['path'] = $m[21]; |
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else if ( !empty( $m[25] ) ) $parts['path'] = $m[25]; |
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|
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if ( !empty( $m[27] ) ) $parts['query'] = $m[28]; |
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if ( !empty( $m[29] ) ) $parts['fragment']= $m[30]; |
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|
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if ( !$decode ) |
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return $parts; |
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if ( !empty( $parts['user'] ) ) |
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$parts['user'] = rawurldecode( $parts['user'] ); |
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if ( !empty( $parts['pass'] ) ) |
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$parts['pass'] = rawurldecode( $parts['pass'] ); |
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if ( !empty( $parts['path'] ) ) |
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$parts['path'] = rawurldecode( $parts['path'] ); |
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if ( isset( $h ) ) |
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$parts['host'] = rawurldecode( $parts['host'] ); |
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if ( !empty( $parts['query'] ) ) |
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$parts['query'] = rawurldecode( $parts['query'] ); |
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if ( !empty( $parts['fragment'] ) ) |
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$parts['fragment'] = rawurldecode( $parts['fragment'] ); |
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return $parts; |
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} |
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protected function join_url( $parts, $encode=TRUE ) { |
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if ( $encode ) { |
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if ( isset( $parts['user'] ) ) |
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$parts['user'] = rawurlencode( $parts['user'] ); |
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if ( isset( $parts['pass'] ) ) |
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$parts['pass'] = rawurlencode( $parts['pass'] ); |
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if ( isset( $parts['host'] ) && !preg_match( '!^( \[[\da-f.:]+\]] )|( [\da-f.:]+ )$!ui', $parts['host'] ) ) |
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$parts['host'] = rawurlencode( $parts['host'] ); |
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if ( !empty( $parts['path'] ) ) |
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$parts['path'] = preg_replace( '!%2F!ui', '/', rawurlencode( $parts['path'] ) ); |
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if ( isset( $parts['query'] ) ) |
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$parts['query'] = rawurlencode( $parts['query'] ); |
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if ( isset( $parts['fragment'] ) ) |
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$parts['fragment'] = rawurlencode( $parts['fragment'] ); |
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} |
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|
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$url = ''; |
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if ( !empty( $parts['scheme'] ) ) |
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$url .= $parts['scheme'] . ':'; |
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if ( isset( $parts['host'] ) ) { |
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$url .= '//'; |
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if ( isset( $parts['user'] ) ) { |
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$url .= $parts['user']; |
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if ( isset( $parts['pass'] ) ) |
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$url .= ':' . $parts['pass']; |
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$url .= '@'; |
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} |
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if ( preg_match( '!^[\da-f]*:[\da-f.:]+$!ui', $parts['host'] ) ) |
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$url .= '[' . $parts['host'] . ']'; // IPv6 |
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else |
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$url .= $parts['host']; // IPv4 or name |
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if ( isset( $parts['port'] ) ) |
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$url .= ':' . $parts['port']; |
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if ( !empty( $parts['path'] ) && $parts['path'][0] != '/' ) |
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$url .= '/'; |
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} |
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if ( !empty( $parts['path'] ) ) |
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$url .= $parts['path']; |
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if ( isset( $parts['query'] ) ) |
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$url .= '?' . $parts['query']; |
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if ( isset( $parts['fragment'] ) ) |
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$url .= '#' . $parts['fragment']; |
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return $url; |
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} |
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} |
