Add usage of exiftool to get exif tags from camera manufactures

php/Modules/Photo.php

@@ -1059,7 +1059,26 @@ public function getInfo($url) {
 		}
 
 		// Read EXIF
-		if ($info['mime']=='image/jpeg') $exif = @exif_read_data($url, 'EXIF', false, false);
+		if ($info['mime']=='image/jpeg') {
+			$exif = false;
+			if(Settings::useExiftool()) {
+				Log::notice(Database::get(), __METHOD__, __LINE__, 'Using exiftool');
+				$handle = @popen("exiftool -php -q $url 2>&1", 'r');
+				$exiftool = @fread($handle, 8192);
+				@pclose($handle);
+				if (false!==$exiftool && strlen($exiftool) > 0) {
+					$exiftool = @eval('return ' . "$exiftool");
+					if (is_array($exiftool) && is_array($exiftool[0])) {
+						$exif = $exiftool[0];
+					}
+				}
+			}
+			// If exiftool is not available
+			// or using exiftool fails in any way fallback to exif_read_data
+			if (!is_array($exif)) {
+				$exif = @exif_read_data($url, 'EXIF', false, false);
+			}
+		}
 		else $exif = false;
 
 		// EXIF Metadata
@@ -1071,9 +1090,11 @@ public function getInfo($url) {
 
 			// ISO
 			if (!empty($exif['ISOSpeedRatings'])) $return['iso'] = $exif['ISOSpeedRatings'];
+			else if (!empty($exif['ISO'])) $return['iso'] = trim($exif['ISO']);
 
 			// Aperture
 			if (!empty($exif['COMPUTED']['ApertureFNumber'])) $return['aperture'] = $exif['COMPUTED']['ApertureFNumber'];
+			else if (!empty($exif['Aperture'])) $return['aperture'] = 'f/' . trim($exif['Aperture']);
 
 			// Make
 			if (!empty($exif['Make'])) $return['make'] = trim($exif['Make']);
@@ -1091,6 +1112,9 @@ public function getInfo($url) {
 					$temp = $temp[0] / $temp[1];
 					$temp = round($temp, 1);
 					$return['focal'] = $temp . ' mm';
+				} else if (strpos($exif['FocalLength'], 'mm')!==false) {
+					$temp = substr($exif['FocalLength'], 0, strpos($exif['FocalLength'], '.'));
+					$return['focal'] = $temp . ' mm';
 				} else {
 					$return['focal'] = $exif['FocalLength'] . ' mm';
 				}
@@ -1107,6 +1131,7 @@ public function getInfo($url) {
             }
 
 			if (!empty($exif['LensInfo'])) $return['lens'] = trim($exif['LensInfo']);
+			else if(!empty($exif['Lens'])) $return['lens'] = trim($exif['Lens']);
 
 			// Lens field from Lightroom
 			if ($return['lens'] == '' && !empty($exif['UndefinedTag:0xA434'])) $return['lens'] = trim($exif['UndefinedTag:0xA434']);

php/Modules/Session.php

@@ -54,6 +54,7 @@ public function init($public = true) {
 			unset($return['config']['imagick']);
 			unset($return['config']['plugins']);
 			unset($return['config']['php_script_limit']);
+			unset($return['config']['useExiftool']);
 
 		}
 

php/Modules/Settings.php

@@ -349,4 +349,13 @@ public static function setDefaultLicense($license) {
 		return false;
 	}
 
+        /**
+         * @return bool Returns the useExiftool setting.
+         */
+        public static function useExiftool() {
+                system('which exiftool 2>&1 > /dev/null', $status);
+                if ($status != 0) return false;
+                return (bool) (self::get()['useExiftool'] === '1');
+        }
+
 }

php/database/update_030212.php

@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * Update to version 3.2.12
+ */
+
+use Lychee\Modules\Database;
+use Lychee\Modules\Response;
+
+// Add useExiftool to settings
+$query  = Database::prepare($connection, "SELECT `key` FROM `?` WHERE `key` = 'useExiftool' LIMIT 1", array(LYCHEE_TABLE_SETTINGS));
+$result = Database::execute($connection, $query, 'update_030212', __LINE__);
+
+if ($result===false) Response::error('Could not get useExiftool from database!');
+
+if ($result->num_rows===0) {
+
+   $query  = Database::prepare($connection, "INSERT INTO `?` (`key`, `value`) VALUES ('useExiftool', '0')", array(LYCHEE_TABLE_SETTINGS));
+   $result = Database::execute($connection, $query, 'update_030212', __LINE__);
+
+   if ($result===false) Response::error('Could not add useExiftool to database!');
+}
+
+
+// Set version
+if (Database::setVersion($connection, 'update_030212')===false) Response::error('Could not update version of database!');