+ if(!file_exists($full_path)) {
+ $this->_warning("File ". $full_path ." does not exist\n");
+ return;
+ }
+
+ if(!is_readable($full_path)) {
+ $this->_warning("File ". $full_path ." is not readable for ". $this->getuid() ."\n");
+ return;
+ }
+
+ $file_md5 = md5_file($full_path);
+
+ $this->_debug("Image [". $idx ."] ". $details['name'] ." Thumbnails:");
+
+ foreach($resolutions as $resolution) {
+
+ $thumb_path = $this->cfg->base_path ."/thumbs/". $resolution ."_". $file_md5;
+
+ /* if the thumbnail file doesn't exist, create it */
+ if(!file_exists($thumb_path)) {
+
+ $this->_debug(" ". $resolution ."px");
+ if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
+ $error = 1;
+ }
+ /* if the file hasn't changed there is no need to regen the thumb */
+ elseif($file_md5 != $this->getMD5($idx) || $force) {
+
+ $this->_debug(" ". $resolution ."px");
+ if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
+ $error = 1;
+
+ }
+ }
+
+ /* set the new/changed MD5 sum for the current photo */
+ if(!$error) {
+ $this->setMD5($idx, $file_md5);
+ }
+
+ $this->_debug("\n");
+
+ } // gen_thumb()
+
+ /**
+ * returns stored md5 sum for a specific photo
+ *
+ * this function queries the phpfspot database for a
+ * stored MD5 checksum of the specified photo
+ */
+ public function getMD5($idx)
+ {
+ $result = $this->cfg_db->db_query("
+ SELECT img_md5
+ FROM images
+ WHERE img_idx='". $idx ."'
+ ");
+
+ if(!$result)
+ return 0;
+
+ $img = $this->cfg_db->db_fetch_object($result);
+ return $img['img_md5'];
+
+ } // getMD5()
+
+ /**
+ * set MD5 sum for the specific photo
+ */
+ private function setMD5($idx, $md5)
+ {
+ $result = $this->cfg_db->db_exec("
+ REPLACE INTO images (img_idx, img_md5)
+ VALUES ('". $idx ."', '". $md5 ."')
+ ");
+
+ } // setMD5()
+
+ /**
+ * store current tag condition
+ *
+ * this function stores the current tag condition
+ * (AND or OR) in the users session variables
+ */
+ public function setTagCondition($mode)
+ {
+ $_SESSION['tag_condition'] = $mode;
+
+ } // setTagCondition()
+
+ /**
+ * invoke tag & date search
+ *
+ * this function will return all matching tags and store
+ * them in the session variable selected_tags. furthermore
+ * it also handles the date search.
+ * getPhotoSelection() will then only return the matching
+ * photos.
+ */
+ public function startSearch($searchfor, $from, $to, $sort_order)
+ {
+ $_SESSION['searchfor'] = $searchfor;
+ $_SESSION['from_date'] = $from;
+ $_SESSION['to_date'] = $to;
+ $_SESSION['sort_order'] = $sort_order;
+
+ if($searchfor != "") {
+ /* new search, reset the current selected tags */
+ $_SESSION['selected_tags'] = Array();
+ foreach($this->avail_tags as $tag) {
+ if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
+ array_push($_SESSION['selected_tags'], $tag);
+ }
+ }
+ } // startSearch()
+
+ /**
+ * rotate image
+ *
+ * this function rotates the image according the
+ * specified angel.
+ */
+ private function rotateImage($img, $degrees)
+ {
+ if(function_exists("imagerotate")) {
+ $img = imagerotate($img, $degrees, 0);
+ } else {
+ function imagerotate($src_img, $angle)
+ {
+ $src_x = imagesx($src_img);
+ $src_y = imagesy($src_img);
+ if ($angle == 180) {
+ $dest_x = $src_x;
+ $dest_y = $src_y;
+ }
+ elseif ($src_x <= $src_y) {
+ $dest_x = $src_y;
+ $dest_y = $src_x;
+ }
+ elseif ($src_x >= $src_y) {
+ $dest_x = $src_y;
+ $dest_y = $src_x;
+ }
+
+ $rotate=imagecreatetruecolor($dest_x,$dest_y);
+ imagealphablending($rotate, false);
+
+ switch ($angle) {
+
+ case 90:
+ for ($y = 0; $y < ($src_y); $y++) {
+ for ($x = 0; $x < ($src_x); $x++) {
+ $color = imagecolorat($src_img, $x, $y);
+ imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
+ }
+ }
+ break;
+
+ case 270:
+ for ($y = 0; $y < ($src_y); $y++) {
+ for ($x = 0; $x < ($src_x); $x++) {
+ $color = imagecolorat($src_img, $x, $y);
+ imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
+ }
+ }
+ break;
+
+ case 180:
+ for ($y = 0; $y < ($src_y); $y++) {
+ for ($x = 0; $x < ($src_x); $x++) {
+ $color = imagecolorat($src_img, $x, $y);
+ imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
+ }
+ }
+ break;
+
+ default:
+ $rotate = $src_img;
+ break;
+ };
+
+ return $rotate;
+
+ }
+
+ $img = imagerotate($img, $degrees);
+
+ }
+
+ return $img;
+
+ } // rotateImage()
+
+ /**
+ * return all assigned tags for the specified photo
+ */
+ private function get_photo_tags($idx)
+ {
+ $result = $this->db->db_query("
+ SELECT t.id, t.name
+ FROM tags t
+ INNER JOIN photo_tags pt
+ ON t.id=pt.tag_id
+ WHERE pt.photo_id='". $idx ."'
+ ");
+
+ $tags = Array();
+
+ while($row = $this->db->db_fetch_object($result))
+ $tags[$row['id']] = $row['name'];
+
+ return $tags;
+
+ } // get_photo_tags()
+
+ /**
+ * create on-the-fly images with text within
+ */
+ public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
+ {
+ if (strlen($color) != 6)
+ $color = 000000;
+
+ $int = hexdec($color);
+ $h = imagefontheight($font);
+ $fw = imagefontwidth($font);
+ $txt = explode("\n", wordwrap($txt, ($w / $fw), "\n"));
+ $lines = count($txt);
+ $im = imagecreate($w, (($h * $lines) + ($lines * $space)));
+ $bg = imagecolorallocate($im, 255, 255, 255);
+ $color = imagecolorallocate($im, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
+ $y = 0;
+
+ foreach ($txt as $text) {
+ $x = (($w - ($fw * strlen($text))) / 2);
+ imagestring($im, $font, $x, $y, $text, $color);
+ $y += ($h + $space);
+ }
+
+ Header("Content-type: image/png");
+ ImagePng($im);
+
+ } // showTextImage()
+
+ /**
+ * check if all requirements are met
+ */
+ private function checkRequirements()
+ {
+ if(!function_exists("imagecreatefromjpeg")) {
+ print "PHP GD library extension is missing<br />\n";
+ $missing = true;
+ }
+
+ if(!function_exists("sqlite3_open")) {
+ print "PHP SQLite3 library extension is missing<br />\n";
+ $missing = true;
+ }
+
+ /* Check for HTML_AJAX PEAR package, lent from Horde project */
+ ini_set('track_errors', 1);
+ @include_once 'HTML/AJAX/Server.php';
+ if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
+ print "PEAR HTML_AJAX package is missing<br />\n";
+ $missing = true;
+ }
+ @include_once 'Calendar/Calendar.php';
+ if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
+ print "PEAR Calendar package is missing<br />\n";
+ $missing = true;
+ }
+ ini_restore('track_errors');
+
+ if(isset($missing))
+ return false;
+
+ return true;
+
+ } // checkRequirements()
+
+ private function _debug($text)
+ {
+ if($this->fromcmd) {
+ print $text;
+ }
+
+ } // _debug()
+
+ /**
+ * check if specified MIME type is supported
+ */
+ public function checkifImageSupported($mime)
+ {
+ if(in_array($mime, Array("image/jpeg")))
+ return true;
+
+ return false;
+
+ } // checkifImageSupported()
+
+ public function _warning($text)
+ {
+ print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
+ print $text;
+
+ } // _warning()
+
+ /**
+ * output calendard input fields
+ */
+ private function get_calendar($mode)
+ {
+ $year = $_SESSION[$mode .'_date'] ? date("Y", strtotime($_SESSION[$mode .'_date'])) : date("Y");
+ $month = $_SESSION[$mode .'_date'] ? date("m", strtotime($_SESSION[$mode .'_date'])) : date("m");
+ $day = $_SESSION[$mode .'_date'] ? date("d", strtotime($_SESSION[$mode .'_date'])) : date("d");
+
+ $output = "<input type=\"text\" size=\"3\" id=\"". $mode ."year\" value=\"". $year ."\"";
+ if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
+ $output.= " />\n";
+ $output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."month\" value=\"". $month ."\"";
+ if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
+ $output.= " />\n";
+ $output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."day\" value=\"". $day ."\"";
+ if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
+ $output.= " />\n";
+ return $output;
+
+ } // get_calendar()
+
+ /**
+ * output calendar matrix
+ */
+ public function get_calendar_matrix($year = 0, $month = 0, $day = 0)
+ {
+ if (!isset($year)) $year = date('Y');
+ if (!isset($month)) $month = date('m');
+ if (!isset($day)) $day = date('d');
+ $rows = 1;
+ $cols = 1;
+ $matrix = Array();
+
+ require_once CALENDAR_ROOT.'Month/Weekdays.php';
+ require_once CALENDAR_ROOT.'Day.php';
+
+ // Build the month
+ $month = new Calendar_Month_Weekdays($year,$month);
+
+ // Create links
+ $prevStamp = $month->prevMonth(true);
+ $prev = "javascript:setMonth(". date('Y',$prevStamp) .", ". date('n',$prevStamp) .", ". date('j',$prevStamp) .");";
+ $nextStamp = $month->nextMonth(true);
+ $next = "javascript:setMonth(". date('Y',$nextStamp) .", ". date('n',$nextStamp) .", ". date('j',$nextStamp) .");";
+
+ $selectedDays = array (
+ new Calendar_Day($year,$month,$day),
+ new Calendar_Day($year,12,25),
+ );
+
+ // Build the days in the month
+ $month->build($selectedDays);
+
+ $this->tmpl->assign('current_month', date('F Y',$month->getTimeStamp()));
+ $this->tmpl->assign('prev_month', $prev);
+ $this->tmpl->assign('next_month', $next);
+
+ while ( $day = $month->fetch() ) {
+
+ if(!isset($matrix[$rows]))
+ $matrix[$rows] = Array();
+
+ $string = "";
+
+ $dayStamp = $day->thisDay(true);
+ $link = "javascript:setCalendarDate(". date('Y',$dayStamp) .", ". date('n',$dayStamp).", ". date('j',$dayStamp) .");";
+
+ // isFirst() to find start of week
+ if ( $day->isFirst() )
+ $string.= "<tr>\n";
+
+ if ( $day->isSelected() ) {
+ $string.= "<td class=\"selected\">".$day->thisDay()."</td>\n";
+ } else if ( $day->isEmpty() ) {
+ $string.= "<td> </td>\n";
+ } else {
+ $string.= "<td><a class=\"calendar\" href=\"".$link."\">".$day->thisDay()."</a></td>\n";
+ }
+
+ // isLast() to find end of week
+ if ( $day->isLast() )
+ $string.= "</tr>\n";
+
+ $matrix[$rows][$cols] = $string;
+
+ $cols++;
+
+ if($cols > 7) {
+ $cols = 1;
+ $rows++;
+ }
+ }
+
+ $this->tmpl->assign('matrix', $matrix);
+ $this->tmpl->assign('rows', $rows);
+ $this->tmpl->show("calendar.tpl");
+
+ } // get_calendar_matrix()
+
+ /**
+ * output export page
+ */
+ public function getExport($mode)
+ {
+ $pictures = $this->getPhotoSelection();
+ $current_tags = $this->getCurrentTags();
+
+ if(!isset($_SERVER['HTTPS'])) $protocol = "http";
+ else $protocol = "https";
+
+ $server_name = $_SERVER['SERVER_NAME'];
+
+ foreach($pictures as $picture) {
+
+ $orig_url = $protocol ."://". $server_name . $this->cfg->web_path ."index.php?mode=showp&id=". $picture;
+ if($current_tags != "") {
+ $orig_url.= "&tags=". $current_tags;
+ }
+ if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
+ $orig_url.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
+ }
+
+ $thumb_url = $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $picture ."&width=". $this->cfg->thumb_width;
+
+ switch($mode) {
+
+ case 'HTML':
+ // <a href="%pictureurl%"><img src="%thumbnailurl%" ></a>
+ print htmlspecialchars("<a href=\"". $orig_url ."\"><img src=\"". $thumb_url ."\" /></a>") ."<br />\n";
+ break;
+
+ case 'MoinMoin':
+ // [%pictureurl% %thumbnailurl%]
+ print htmlspecialchars(" * [".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
+ break;
+ }
+
+ }
+
+ } // getExport()
+
+ /**
+ * return all selected tags as one string
+ */
+ private function getCurrentTags()
+ {
+ $current_tags = "";
+ if($_SESSION['selected_tags'] != "") {
+ foreach($_SESSION['selected_tags'] as $tag)
+ $current_tags.= $tag .",";
+ $current_tags = substr($current_tags, 0, strlen($current_tags)-1);
+ }
+ return $current_tags;
+
+ } // getCurrentTags()
+
+ /**
+ * return the current photo
+ */
+ public function getCurrentPhoto()
+ {
+ if(isset($_SESSION['current_photo'])) {
+ print $_SESSION['current_photo'];
+ }
+ } // getCurrentPhoto()
+
+ /**
+ * tells the client browser what to do
+ *
+ * this function is getting called via AJAX by the
+ * client browsers. it will tell them what they have
+ * to do next. This is necessary for directly jumping
+ * into photo index or single photo view when the are
+ * requested with specific URLs
+ */
+ public function whatToDo()
+ {
+ if(isset($_SESSION['current_photo']) && $_SESSION['start_action'] == 'showp') {
+ return "show_photo";
+ }
+ elseif((isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) ||
+ (isset($_SESSION['from_date']) && isset($_SESSION['to_date']))) {
+ return "showpi";
+ }
+ elseif(isset($_SESSION['start_action']) && $_SESSION['start_action'] == 'showpi') {
+ return "showpi";
+ }
+
+ return "nothing special";
+
+ } // whatToDo()
+
+ /**
+ * return the current process-user
+ */
+ private function getuid()
+ {
+ if($uid = posix_getuid()) {
+ if($user = posix_getpwuid($uid)) {
+ return $user['name'];
+ }
+ }
+
+ return 'n/a';