/** * Return the link to the thumbnail of an image * * @since 1.0.0 */ public static function thumbnail($image, $thumbsPath, $subFolder, $width, $height, $quality, $crop = null, $prefix = null, $type = null, $checksize = null, $name = null) { $app = JFactory::getApplication(); $file_local = JPATH_ROOT . '/' . $image; $file_distant = $image; $linkToImage = filter_var($image, FILTER_VALIDATE_URL) ? $file_distant : $file_local; // Set memory_limit if possible to 512mo, and check needed memory to generate thumbnails ini_set('memory_limit', '512M'); // Check if fopen is allowed $fopen = true; $result = ini_get('allow_url_fopen'); if (empty($result)) { $fopen = false; } // Initialize Vars $Image_Link = ''; $Thumb_Link = ''; $Display_Thumb = false; $MimeTypeOK = true; $MimeTypeERROR = false; $Invalid_Link = false; $Invalid_Img_Format = false; $fopen_bmp_error_msg = false; $Invalid_LinkMsg = '<i class="icon-warning"></i><br /><span style="color:red;"><strong>' . JText::_('ICLIB_INVALID_PICTURE_LINK') . '</strong></span>'; $Wrong_img_format = '<i class="icon-warning"></i><br/><span style="color:red;"><strong>' . JText::_('ICLIB_NOT_AUTHORIZED_IMAGE_TYPE') . '</strong><br/>' . JText::_('ICLIB_NOT_AUTHORIZED_IMAGE_TYPE_INFO') . '</span>'; $fopen_bmp_error = '<i class="icon-warning"></i><br/><span style="color:red;"><strong>' . JText::_('ICLIB_PHP_ERROR_FOPEN_COPY_BMP') . '</strong><br/>' . JText::_('ICLIB_PHP_ERROR_FOPEN_COPY_BMP_INFO') . '</span>'; $error_icthumb = '<i class="icon-warning"></i><br/><span style="color:red;"><strong>' . JText::_('ICLIB_ERROR_ICTHUMB') . '</strong><br/>' . JText::_('ICLIB_ERROR_ICTHUMB_INFO') . '</span>'; // Mime-Type pre-settings $errorMimeTypeMsg = '<i class="icon-warning"></i><br /><span style="color:red;"><strong>' . JText::_('ICLIB_ERROR_MIME_TYPE') . '</strong><br/>' . JText::_('ICLIB_ERROR_MIME_TYPE_NO_THUMBNAIL'); // Folder for copy of distant images, and jpg created from bmp $copyPath = $thumbsPath . '/copy'; $cropped = $crop ? 'c' : ''; // Thumb Destination if ($name) { $thumb_name = ''; } elseif ($prefix) { $thumb_name = $prefix . '_w' . $width . 'h' . $height . 'q' . $quality . $cropped . '_'; } else { $thumb_name = 'w' . $width . 'h' . $height . 'q' . $quality . $cropped . '_'; } $thumb_destination = $subFolder . '/' . $thumb_name; // Get Image File Infos // $url = $image; // $decomposition = explode( '/' , $url ); // in each parent // $i = 0; // while ( isset($decomposition[$i]) ) // $i++; // $i--; // $imgname = $decomposition[$i]; // $fichier = explode( '.', $decomposition[$i] ); // $imgtitle = $fichier[0]; // $imgextension = strtolower($fichier[1]); // fixed 3.1.10 $image_info = pathinfo($image); $imgtitle = $image_info['filename']; $imgextension = strtolower($image_info['extension']); // To be checked if error with uppercase extension type // Clean file name jimport('joomla.filter.output'); $cleanFileName = JFilterOutput::stringURLSafe($imgtitle) . '.' . $imgextension; $cleanTitle = JFilterOutput::stringURLSafe($imgtitle); // Image pre-settings $imageValue = $image; $Image_Link = $image; // url to thumbnails already created $Thumb_Link = $thumbsPath . '/' . $thumb_destination . $cleanFileName; $Thumb_aftercopy_Link = $thumbsPath . '/' . $thumb_destination . $cleanTitle . '.jpg'; // url to copy original jpg created $MAX_aftercopy_Link = $copyPath . '/' . $cleanTitle . '.jpg'; $file_copy = JPATH_ROOT . '/' . $MAX_aftercopy_Link; // Fix for previous version, if original image is too small (ic_large image only, used in event details view) $original_too_small = false; if ($prefix == 'ic_large') { $file_to_check = filter_var($image, FILTER_VALIDATE_URL) ? $file_copy : $file_local; list($w, $h) = getimagesize($file_to_check); if ($w < $width or $h < $height) { $max_image_size = filter_var($image, FILTER_VALIDATE_URL) ? $MAX_aftercopy_Link : $image; $original_too_small = true; } } // Check if thumbnails already created if (file_exists(JPATH_ROOT . '/' . $Thumb_Link) || $original_too_small) { $Thumb_Link = $original_too_small ? $max_image_size : $Thumb_Link; $Display_Thumb = true; } elseif (file_exists(JPATH_ROOT . '/' . $Thumb_aftercopy_Link) || $original_too_small) { $Thumb_Link = $original_too_small ? $max_image_size : $Thumb_aftercopy_Link; $Display_Thumb = true; } else { $memory_limit = ini_get('memory_limit'); if (preg_match('/^(\\d+)(.)$/', $memory_limit, $matches)) { if ($matches[2] == 'M') { $memory_limit = $matches[1] * 1024 * 1024; // nnnM -> nnn MB } elseif ($matches[2] == 'K') { $memory_limit = $matches[1] * 1024; // nnnK -> nnn KB } } list($w, $h) = getimagesize($linkToImage); $rgba_factor = 4; $security_factor = 1.8; if (function_exists('memory_get_usage') && $w * $h * $rgba_factor * $security_factor + memory_get_usage() > $memory_limit) { if ($app->isAdmin()) { $alert_message = JText::sprintf('ICLIB_ERROR_ALERT_IMAGE_TOO_LARGE', $image); // Get the message queue $messages = $app->getMessageQueue(); $display_alert_message = false; // If we have messages if (is_array($messages) && count($messages)) { // Check each message for the one we want foreach ($messages as $key => $value) { if ($value['message'] == $alert_message) { $display_alert_message = true; } } } if (!$display_alert_message) { $app->enqueueMessage($alert_message, 'Warning'); } return JText::_('ICLIB_ERROR_IMAGE_TOO_LARGE'); } else { return false; } } if (file_exists($linkToImage)) { // Test Mime-Type $fileinfos = getimagesize($linkToImage); $mimeType = $fileinfos['mime']; $extensionType = 'image/' . $imgextension; // SETTINGS ICTHUMB $errorMimeTypeInfo = '<span style="color:black;"><br/>' . JText::sprintf('ICLIB_ERROR_MIME_TYPE_INFO', $imgextension, $mimeType); // Error message if Mime-Type is not the same as extension if ($imgextension == 'jpeg' or $imgextension == 'jpg') { if ($mimeType != 'image/jpeg' and $mimeType != 'image/jpg') { $MimeTypeOK = false; $MimeTypeERROR = true; } } elseif ($imgextension == 'bmp') { if ($mimeType != 'image/bmp' and $mimeType != 'image/x-ms-bmp') { $MimeTypeOK = false; $MimeTypeERROR = true; } } elseif ($mimeType != $extensionType) { $MimeTypeOK = false; $MimeTypeERROR = true; } } // If Error mime-type, no thumbnail creation if ($MimeTypeOK) { // Call function and create image thumbnail for events list in admin // If Image JPG, JPEG, PNG or GIF if ($imgextension == "jpg" or $imgextension == "jpeg" or $imgextension == "png" or $imgextension == "gif") { $Thumb_Link = $Thumb_Link; if (!file_exists(JPATH_ROOT . '/' . $Thumb_Link)) { if (filter_var($imageValue, FILTER_VALIDATE_URL)) { if (iCUrl::url_exists($imageValue) and $fopen) { $testFile = JPATH_ROOT . '/' . $copyPath . '/' . $cleanFileName; if (!file_exists($testFile)) { //Get the file $content = file_get_contents($imageValue); //Store in the filesystem. $fp = fopen(JPATH_ROOT . '/' . $copyPath . '/' . $cleanFileName, "w"); fwrite($fp, $content); fclose($fp); } $linkToImage = JPATH_ROOT . '/' . $copyPath . '/' . $cleanFileName; $imageValue = $copyPath . '/' . $cleanFileName; } else { $linkToImage = $imageValue; } } else { $linkToImage = JPATH_ROOT . '/' . $imageValue; } if (iCUrl::url_exists($linkToImage) or file_exists($linkToImage)) { iCThumbCreate::createThumb($linkToImage, JPATH_ROOT . '/' . $Thumb_Link, $width, $height, $quality, $crop, $prefix, $checksize); } else { $Invalid_Link = true; } } } elseif ($imgextension == "bmp") { $Image_Link = $copyPath . '/' . $cleanTitle . '.jpg'; $Thumb_Link = $Thumb_aftercopy_Link; if (!file_exists(JPATH_ROOT . '/' . $Thumb_Link)) { if (filter_var($imageValue, FILTER_VALIDATE_URL)) { if (iCUrl::url_exists($imageValue) and $fopen) { $testFile = JPATH_ROOT . '/' . $copyPath . '/' . $cleanTitle . '.jpg'; if (!file_exists($testFile)) { // Get the file $content = file_get_contents($imageValue); // Store in the filesystem. $fp = fopen(JPATH_ROOT . '/' . $copyPath . '/' . $cleanFileName, "w"); fwrite($fp, $content); fclose($fp); $imageNewValue = JPATH_ROOT . '/' . $copyPath . '/' . $cleanFileName; imagejpeg(iCThumbImage::createFromBMP($imageNewValue), JPATH_ROOT . '/' . $copyPath . '/' . $cleanTitle . '.jpg', 100); unlink($imageNewValue); } } else { $linkToImage = $imageValue; } } else { imagejpeg(iCThumbImage::createFromBMP(JPATH_ROOT . '/' . $imageValue), JPATH_ROOT . '/' . $copyPath . '/' . $cleanTitle . '.jpg', 100); } $imageValue = $copyPath . '/' . $cleanTitle . '.jpg'; $linkToImage = JPATH_ROOT . '/' . $imageValue; if (!$fopen) { $fopen_bmp_error_msg = true; } elseif (iCUrl::url_exists($linkToImage) or file_exists($linkToImage)) { iCThumbCreate::createThumb($linkToImage, JPATH_ROOT . '/' . $Thumb_Link, $width, $height, $quality, $crop, $prefix, $checksize); } else { $Invalid_Link = true; } } } else { if (iCUrl::url_exists($linkToImage) or file_exists($linkToImage)) { $Invalid_Img_Format = true; } else { $Invalid_Link = true; } } if (!$Invalid_Link) { $Display_Thumb = true; } } else { if ($imgextension == "jpg" or $imgextension == "jpeg" or $imgextension == "png" or $imgextension == "gif" or $imgextension == "bmp") { $MimeTypeERROR = true; } else { $Invalid_Img_Format = true; $MimeTypeERROR = false; } } } if ($type == 'imgTag' || $type == 'imgTagLinkModal') { // Display Thumbnail Image tag $thumbnailImgTag = ''; if ($Invalid_Img_Format) { $thumbnailImgTag .= $app->isAdmin() ? $Wrong_img_format : ''; } if ($Invalid_Link) { $thumbnailImgTag .= $app->isAdmin() ? $Invalid_LinkMsg : ''; } if ($MimeTypeERROR) { $thumbnailImgTag .= $app->isAdmin() ? $errorMimeTypeMsg : ''; $thumbnailImgTag .= $app->isAdmin() ? $errorMimeTypeInfo : ''; } if ($fopen_bmp_error_msg) { $thumbnailImgTag .= $app->isAdmin() ? $fopen_bmp_error : ''; } if ($Display_Thumb) { if ($imgextension == "bmp") { if ($type == 'imgTagLinkModal') { $thumbnailImgTag .= '<a href="' . JURI::root(true) . '/' . $MAX_aftercopy_Link . '" class="modal">'; } $thumbnailImgTag .= '<img src="' . JURI::root(true) . '/' . $Thumb_aftercopy_Link . '" alt="" />'; if ($type == 'imgTagLinkModal') { $thumbnailImgTag .= '</a>'; } } else { if ($type == 'imgTagLinkModal') { if (filter_var($Image_Link, FILTER_VALIDATE_URL)) { $thumbnailImgTag .= '<a href="' . $Image_Link . '" class="modal">'; } else { $thumbnailImgTag .= '<a href="' . JURI::root(true) . '/' . $Image_Link . '" class="modal">'; } } $thumbnailImgTag .= '<img src="' . JURI::root(true) . '/' . $Thumb_Link . '" alt="" />'; if ($type == 'imgTagLinkModal') { $thumbnailImgTag .= '</a>'; } } } if (!file_exists(JPATH_ROOT . '/' . $Thumb_Link) && $image && !$fopen) { $thumbnailImgTag .= $app->isAdmin() ? $error_icthumb : ''; } return $thumbnailImgTag; } else { // Display Thumbnail Image tag $thumb_img = ''; // Set Thumbnail $default_thumbnail = 'media/com_icagenda/images/nophoto.jpg'; if ($Invalid_Img_Format || $Invalid_Link || $MimeTypeERROR || $fopen_bmp_error_msg || !file_exists(JPATH_ROOT . '/' . $Thumb_Link) && $image) { $thumb_img = $default_thumbnail; } elseif ($Display_Thumb) { $thumb_img = $Thumb_Link; } return $thumb_img; } }