X-Git-Url: https://git.nubati.net/cgi-bin/gitweb.cgi?p=phpfspot.git;a=blobdiff_plain;f=phpfspot_img.php;h=b6952041dcedc69b0451baac8302aca8363eea62;hp=de677e558c56fe3ae76cbfcadd9d266520f17f11;hb=3eb8cfe677dbd50680ffd1ebcc14aa733feba5b3;hpb=a552181a7fe679d8aebc24d75f61dcfe445b9f04 diff --git a/phpfspot_img.php b/phpfspot_img.php index de677e5..b695204 100644 --- a/phpfspot_img.php +++ b/phpfspot_img.php @@ -1,12 +1,44 @@ parent = new PHPFSPOT; @@ -14,37 +46,131 @@ class PHPFSPOT_IMG { } // __construct() + /** + * PHPFSPOT_IMG class destructor + */ public function __destruct() { } // __desctruct() - public function show($idx, $width = 0) + /** + * sends the specified image to the browser + * + * this function will send the specified image to + * the client - in the specified width. it also try's + * to create on-the-fly missing thumbnails via PHPFSPOT + * gen_thumbs function. + * @param integer $idx + * @param integer $width + */ + public function showImg($idx, $width = 0, $version = NULL) { - $details = $this->parent->get_photo_details($idx); - + if($idx == 'rand') + $idx = $this->parent->get_random_photo(); + + /* display the lastest available version, if a wrong version has been requested */ + if(!isset($version) || !$this->parent->is_valid_version($idx, $version)) + $version = $this->parent->get_latest_version($idx); + + $details = $this->parent->get_photo_details($idx, $version); + if(!$details) { - $this->parent->showTextImage("The image you requested is unknown"); + $this->parent->showTextImage("The image (". $idx .") you requested is unknown"); return; } /* no width specified - show photo in its original size */ if($width == 0) { - $fullpath = $this->parent->translate_path($details['directory_path']) ."/". $details['name']; + $fullpath = $this->parent->translate_path($this->parent->parse_uri($details['uri'], 'fullpath')); } /* show thumbnail */ else { - /* if no entry for this photo is yet in the database, create thumb */ + + if(!$this->parent->is_valid_width($width)) { + $this->parent->showTextImage("Requested width ". $width ."px is not valid!"); + return; + } + /* check for an entry if we already handled this photo before. If not, + create a thumbnail for it. + */ if(!$this->parent->getMD5($idx)) { $this->parent->gen_thumb($idx); } - $fullpath = $this->parent->cfg->base_path ."/thumbs/". $width ."_". $this->parent->getMD5($idx); + /* get the full filesystem path to the thumbnail */ + $fullpath = $this->parent->get_thumb_path($width, $idx, $version); /* if the thumb file does not exist, create it */ if(!file_exists($fullpath)) { $this->parent->gen_thumb($idx); } } + if(!file_exists($fullpath)) { + $this->parent->showTextImage("File ". basename($fullpath) ." does not exist"); + return; + } + if(!is_readable($fullpath)) { + $this->parent->showTextImage("File ". basename($fullpath) ." is not readable. Check the permissions"); + return; + } + $mime = $this->parent->get_mime_info($fullpath); + + if(!$this->parent->checkifImageSupported($mime)) { + $this->parent->showTextImage("Unsupported Image Type"); + return; + } + + Header("Content-Type: ". $mime); + Header("Content-Length: ". filesize($fullpath)); + Header("Content-Transfer-Encoding: binary\n"); + Header("Content-Disposition: inline; filename=\"". $this->parent->parse_uri($details['uri'], 'filename') ."\""); + Header("Content-Description: ". $this->parent->parse_uri($details['uri'], 'filename')); + Header("Accept-Ranges: bytes"); + Header("Connection: close"); + Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); + Header("Cache-Control: no-cache"); + Header("Pragma: no-cache"); + + $file = fopen($fullpath, "rb"); + fpassthru($file); + @fclose($file); + + } // showImg() + + /** + * sends a random photo of the requested tag to the browser + * + * this function will send a random photo to the client. + * It is selected out by the provided $tagidx. It also try's + * to create on-the-fly missing thumbnails via PHPFSPOT + * gen_thumbs function. + * @param integer $idx + */ + public function showTagImg($tagidx) + { + $idx = $this->parent->get_random_tag_photo($tagidx); + $width = 30; + + $details = $this->parent->get_photo_details($idx); + + if(!$details) { + $this->parent->showTextImage("The image (". $idx .") you requested is unknown"); + return; + } + + /* if no entry for this photo is yet in the database, create thumb */ + if(!$this->parent->getMD5($idx)) { + $this->parent->gen_thumb($idx); + } + + $version = $this->parent->get_latest_version($idx); + + $fullpath = $this->parent->get_thumb_path($width, $idx, $version); + /* if the thumb file does not exist, create it */ + if(!file_exists($fullpath)) { + $this->parent->gen_thumb($idx); + } + if(!file_exists($fullpath)) { $this->parent->showTextImage("File ". basename($fullpath) ." does not exist"); return; @@ -54,8 +180,7 @@ class PHPFSPOT_IMG { return; } - $tmp = getimagesize($fullpath); - $mime = $tmp['mime']; + $mime = $this->parent->get_mime_info($fullpath); if(!$this->parent->checkifImageSupported($mime)) { $this->parent->showTextImage("Unsupported Image Type"); @@ -65,26 +190,48 @@ class PHPFSPOT_IMG { Header("Content-Type: ". $mime); Header("Content-Length: ". filesize($fullpath)); Header("Content-Transfer-Encoding: binary\n"); - Header("Content-Disposition: inline; filename=\"". $details['name'] ."\""); + Header("Content-Disposition: inline; filename=\"". $this->parent->parse_uri($details['uri'], 'filename') ."\""); + Header("Content-Description: ". $this->parent->parse_uri($details['uri'], 'filename')); Header("Accept-Ranges: bytes"); Header("Connection: close"); - + Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); + Header("Cache-Control: no-cache"); + Header("Pragma: no-cache"); + $file = fopen($fullpath, "rb"); fpassthru($file); @fclose($file); - } // show() + } // showTagImg() -} +} // PHPFSPOT_IMG() -if(isset($_GET['idx']) && is_numeric($_GET['idx'])) { +if(isset($_GET['idx']) && (is_numeric($_GET['idx']) || $_GET['idx'] == 'rand')) { $img = new PHPFSPOT_IMG; if(isset($_GET['width']) && is_numeric($_GET['width'])) - $img->show($_GET['idx'], $_GET['width']); + $width = $_GET['width']; else - $img->show($_GET['idx']); + $width = NULL; + + if(isset($_GET['version']) && is_numeric($_GET['version'])) + $version = $_GET['version']; + else + $version = NULL; + + $img->showImg($_GET['idx'], $width, $version); + + exit(0); +} + +if(isset($_GET['tagidx']) && is_numeric($_GET['tagidx'])) { + + $img = new PHPFSPOT_IMG; + $img->showTagImg($_GET['tagidx']); + + exit(0); + } ?>