Merge branch 'master' into share_api

Conflicts:
	apps/contacts/lib/vcard.php
	apps/files_sharing/sharedstorage.php

17 files changed, 148 insertions, 82 deletions

diff --git a/apps/contacts/ajax/contact/add.php b/apps/contacts/ajax/contact/add.php
index 6aaf5a9df35..043e947dc4b 100644
--- a/apps/contacts/ajax/contact/add.php
+++ b/apps/contacts/ajax/contact/add.php
@@ -49,4 +49,10 @@ if(!$id) {
 	exit();
 }
 
-OCP\JSON::success(array('data' => array( 'id' => $id, 'aid' => $aid )));
+OCP\JSON::success(array(
+	'data' => array(
+		'id' => $id,
+		'aid' => $aid,
+		'lastmodified' => OC_Contacts_VCard::lastModified($vcard)->format('U')
+	)
+));
diff --git a/apps/contacts/ajax/contact/addproperty.php b/apps/contacts/ajax/contact/addproperty.php
index 58b857547fb..df064367ef1 100644
--- a/apps/contacts/ajax/contact/addproperty.php
+++ b/apps/contacts/ajax/contact/addproperty.php
@@ -25,7 +25,7 @@ OCP\JSON::checkLoggedIn();
 OCP\JSON::checkAppEnabled('contacts');
 OCP\JSON::callCheck();
 
-require_once 'loghandler.php';
+require_once __DIR__.'/../loghandler.php';
 
 $id = isset($_POST['id'])?$_POST['id']:null;
 $name = isset($_POST['name'])?$_POST['name']:null;
@@ -48,9 +48,9 @@ if(!$vcard) {
 
 if(!is_array($value)) {
 	$value = trim($value);
-	if(!$value 
+	if(!$value
 		&& in_array(
-		$name, 
+		$name,
 		array('TEL', 'EMAIL', 'ORG', 'BDAY', 'URL', 'NICKNAME', 'NOTE'))
 	) {
 		bailOut($l10n->t('Cannot add empty property.'));
@@ -78,9 +78,9 @@ foreach($current as $item) {
 }
 
 if(is_array($value)) {
-	// NOTE: Important, otherwise the compound value will 
+	// NOTE: Important, otherwise the compound value will
 	// be set in the order the fields appear in the form!
-	ksort($value);  
+	ksort($value);
 	$value = array_map('strip_tags', $value);
 } else {
 	$value = strip_tags($value);
@@ -123,10 +123,10 @@ switch($name) {
 
 $line = count($vcard->children) - 1;
 
-// Apparently Sabre_VObject_Parameter doesn't do well with 
+// Apparently Sabre_VObject_Parameter doesn't do well with
 // multiple values or I don't know how to do it. Tanghus.
 foreach ($parameters as $key=>$element) {
-	if(is_array($element) && strtoupper($key) == 'TYPE') { 
+	if(is_array($element) && strtoupper($key) == 'TYPE') {
 		// NOTE: Maybe this doesn't only apply for TYPE?
 		// And it probably shouldn't be done here anyways :-/
 		foreach($element as $e) {
@@ -144,4 +144,9 @@ if(!OC_Contacts_VCard::edit($id, $vcard)) {
 	bailOut($l10n->t('Error adding contact property: '.$name));
 }
 
-OCP\JSON::success(array('data' => array( 'checksum' => $checksum )));
+OCP\JSON::success(array(
+	'data' => array(
+		'checksum' => $checksum,
+		'lastmodified' => OC_Contacts_VCard::lastModified($vcard)->format('U'))
+	)
+);
diff --git a/apps/contacts/ajax/contact/delete.php b/apps/contacts/ajax/contact/delete.php
index 9777046fc82..def98b36705 100644
--- a/apps/contacts/ajax/contact/delete.php
+++ b/apps/contacts/ajax/contact/delete.php
@@ -23,7 +23,8 @@
 OCP\JSON::checkLoggedIn();
 OCP\JSON::checkAppEnabled('contacts');
 OCP\JSON::callCheck();
-require_once 'loghandler.php';
+
+require_once __DIR__.'/../loghandler.php';
 
 $id = isset($_POST['id'])?$_POST['id']:null;
 if(!$id) {
diff --git a/apps/contacts/ajax/contact/deleteproperty.php b/apps/contacts/ajax/contact/deleteproperty.php
index 205df8bc184..d7545ff1fbf 100644
--- a/apps/contacts/ajax/contact/deleteproperty.php
+++ b/apps/contacts/ajax/contact/deleteproperty.php
@@ -24,7 +24,8 @@
 OCP\JSON::checkLoggedIn();
 OCP\JSON::checkAppEnabled('contacts');
 OCP\JSON::callCheck();
-require_once 'loghandler.php';
+
+require_once __DIR__.'/../loghandler.php';
 
 $id = $_POST['id'];
 $checksum = $_POST['checksum'];
@@ -43,4 +44,9 @@ if(!OC_Contacts_VCard::edit($id, $vcard)) {
 	bailOut($l10n->t('Error deleting contact property.'));
 }
 
-OCP\JSON::success(array('data' => array( 'id' => $id )));
+OCP\JSON::success(array(
+	'data' => array(
+		'id' => $id,
+		'lastmodified' => OC_Contacts_VCard::lastModified($vcard)->format('U'),
+	)
+));
diff --git a/apps/contacts/ajax/contact/details.php b/apps/contacts/ajax/contact/details.php
index 0e07f9ec3d8..c22f18937d7 100644
--- a/apps/contacts/ajax/contact/details.php
+++ b/apps/contacts/ajax/contact/details.php
@@ -53,5 +53,6 @@ if(isset($details['PHOTO'])) {
 $details['id'] = $id;
 $details['displayname'] = $card['fullname'];
 $details['addressbookid'] = $card['addressbookid'];
+$details['lastmodified'] = OC_Contacts_App::lastModified($vcard)->format('U');
 OC_Contacts_App::setLastModifiedHeader($vcard);
 OCP\JSON::success(array('data' => $details));
diff --git a/apps/contacts/ajax/contact/saveproperty.php b/apps/contacts/ajax/contact/saveproperty.php
index ef4d1b26c5b..799038b6f1d 100644
--- a/apps/contacts/ajax/contact/saveproperty.php
+++ b/apps/contacts/ajax/contact/saveproperty.php
@@ -19,7 +19,9 @@
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-require_once 'loghandler.php';
+
+require_once __DIR__.'/../loghandler.php';
+
 // Check if we are a user
 OCP\JSON::checkLoggedIn();
 OCP\JSON::checkAppEnabled('contacts');
@@ -146,5 +148,6 @@ if(!OC_Contacts_VCard::edit($id, $vcard)) {
 OCP\JSON::success(array('data' => array(
 	'line' => $line,
 	'checksum' => $checksum,
-	'oldchecksum' => $_POST['checksum']))
-);
+	'oldchecksum' => $_POST['checksum']
+	'lastmodified' => OC_Contacts_VCard::lastModified($vcard)->format('U')
+));
diff --git a/apps/contacts/ajax/savecrop.php b/apps/contacts/ajax/savecrop.php
index 1df5299c7a6..2483d0f7128 100644
--- a/apps/contacts/ajax/savecrop.php
+++ b/apps/contacts/ajax/savecrop.php
@@ -62,17 +62,17 @@ if($data) {
 		if($image->crop($x1, $y1, $w, $h)) {
 			if(($image->width() <= 200 && $image->height() <= 200)
 						|| $image->resize(200)) {
-				$card = OC_Contacts_App::getContactVCard($id);
-				if(!$card) {
+				$vcard = OC_Contacts_App::getContactVCard($id);
+				if(!$vcard) {
 					OC_Cache::remove($tmpkey);
 					bailOut(OC_Contacts_App::$l10n
 						->t('Error getting contact object.'));
 				}
-				if($card->__isset('PHOTO')) {
+				if($vcard->__isset('PHOTO')) {
 					OCP\Util::writeLog('contacts',
 						'savecrop.php: PHOTO property exists.',
 						OCP\Util::DEBUG);
-					$property = $card->__get('PHOTO');
+					$property = $vcard->__get('PHOTO');
 					if(!$property) {
 						OC_Cache::remove($tmpkey);
 						bailOut(OC_Contacts_App::$l10n
@@ -83,27 +83,28 @@ if($data) {
 						= new Sabre_VObject_Parameter('ENCODING', 'b');
 					$property->parameters[]
 						= new Sabre_VObject_Parameter('TYPE', $image->mimeType());
-					$card->__set('PHOTO', $property);
+					$vcard->__set('PHOTO', $property);
 				} else {
 					OCP\Util::writeLog('contacts',
 						'savecrop.php: files: Adding PHOTO property.',
 						OCP\Util::DEBUG);
-					$card->addProperty('PHOTO',
+					$vcard->addProperty('PHOTO',
 						$image->__toString(), array('ENCODING' => 'b',
 						'TYPE' => $image->mimeType()));
 				}
 				$now = new DateTime;
-				$card->setString('REV', $now->format(DateTime::W3C));
-				if(!OC_Contacts_VCard::edit($id, $card)) {
+				$vcard->setString('REV', $now->format(DateTime::W3C));
+				if(!OC_Contacts_VCard::edit($id, $vcard)) {
 					bailOut(OC_Contacts_App::$l10n->t('Error saving contact.'));
 				}
-				$tmpl = new OCP\Template("contacts", "part.contactphoto");
-				$tmpl->assign('id', $id);
-				$tmpl->assign('refresh', true);
-				$tmpl->assign('width', $image->width());
-				$tmpl->assign('height', $image->height());
-				$page = $tmpl->fetchPage();
-				OCP\JSON::success(array('data' => array('page'=>$page)));
+				OCP\JSON::success(array(
+					'data' => array(
+						'id' => $id,
+						'width' => $image->width(),
+						'height' => $image->height(),
+						'lastmodified' => OC_Contacts_App::lastModified($vcard)->format('U')
+					)
+				));
 			} else {
 				bailOut(OC_Contacts_App::$l10n->t('Error resizing image'));
 			}
diff --git a/apps/contacts/css/contacts.css b/apps/contacts/css/contacts.css
index df9bba2dd3e..ad8762167b5 100644
--- a/apps/contacts/css/contacts.css
+++ b/apps/contacts/css/contacts.css
@@ -141,4 +141,7 @@ input[type="checkbox"] { width: 20px; height: 20px; vertical-align: bottom; }
 .addressbooks-settings .actions * { float: left; }
 .addressbooks-settings .actions input.name { width: 5em; }
 .addressbooks-settings .actions input.name { width: 7em; }
+.addressbooks-settings a.action { opacity: 0.2; }
+.addressbooks-settings a.action:hover { opacity: 1; }
+.addressbooks-settings td.active, .addressbooks-settings td.action { width: 20px; }
 
diff --git a/apps/contacts/js/contacts.js b/apps/contacts/js/contacts.js
index 9aec02557fc..67bfa9847ee 100644
--- a/apps/contacts/js/contacts.js
+++ b/apps/contacts/js/contacts.js
@@ -835,7 +835,7 @@ OC.Contacts={
 								OC.Contacts.propertyContainerFor(obj).data('checksum', '');
 								if(proptype == 'PHOTO') {
 									OC.Contacts.Contacts.refreshThumbnail(OC.Contacts.Card.id);
-									OC.Contacts.Card.loadPhoto(true);
+									OC.Contacts.Card.loadPhoto();
 								} else if(proptype == 'NOTE') {
 									$('#note').find('textarea').val('');
 									OC.Contacts.propertyContainerFor(obj).hide();
@@ -1218,9 +1218,9 @@ OC.Contacts={
 				}
 			});
 		},
-		loadPhoto:function(refresh){
+		loadPhoto:function(){
 			var self = this;
-			var refreshstr = (refresh?'&refresh=1'+Math.random():'')
+			var refreshstr = ''; //'&refresh='+Math.random();
 			$('#phototools li a').tipsy('hide');
 			var wrapper = $('#contacts_details_photo_wrapper');
 			wrapper.addClass('loading').addClass('wait');
@@ -1278,7 +1278,7 @@ OC.Contacts={
 				var response=jQuery.parseJSON(target.contents().text());
 				if(response != undefined && response.status == 'success'){
 					// load cropped photo.
-					self.loadPhoto(true);
+					self.loadPhoto();
 					OC.Contacts.Card.data.PHOTO = true;
 				}else{
 					OC.dialogs.alert(response.data.message, t('contacts', 'Error'));
diff --git a/apps/contacts/js/settings.js b/apps/contacts/js/settings.js
index ee8d889d722..69cf473e06a 100644
--- a/apps/contacts/js/settings.js
+++ b/apps/contacts/js/settings.js
@@ -90,8 +90,7 @@ OC.Contacts.Settings = OC.Contacts.Settings || {
 									+ '<td class="action"><a class="svg action globe" title="'+t('contacts', 'Show CardDav link')+'"></a></td>'
 									+ '<td class="action"><a class="svg action cloud" title="'+t('contacts', 'Show read-only VCF link')+'"></a></td>'
 									+ '<td class="action"><a class="svg action download" title="'+t('contacts', 'Download')+'" '
-									+ 'href="'+totalurl+'/'+encodeURIComponent(oc_current_user)+'/'
-									+ encodeURIComponent(jsondata.data.addressbook.uri)+'?export"></a></td>'
+									+ 'href="'+OC.linkTo('contacts', 'export.php')+'?bookid='+jsondata.data.addressbook.id+'"></a></td>'
 									+ '<td class="action"><a class="svg action edit" title="'+t('contacts', 'Edit')+'"></a></td>'
 									+ '<td class="action"><a class="svg action delete" title="'+t('contacts', 'Delete')+'"></a></td>'
 									+ '</tr>');
@@ -107,17 +106,27 @@ OC.Contacts.Settings = OC.Contacts.Settings || {
 					}
 			});
 		},
+		showLink:function(id, row, link) {
+			console.log('row:', row.length);
+			row.next('tr.link').remove();
+			var linkrow = $('<tr class="link"><td colspan="5"><input style="width: 95%;" type="text" value="'+link+'" /></td>'
+				+ '<td colspan="3"><button>'+t('contacts', 'Cancel')+'</button></td></tr>').insertAfter(row);
+			linkrow.find('input').focus().select();
+			linkrow.find('button').click(function() {
+				$(this).parents('tr').first().remove();
+			});
+		},
 		showCardDAV:function(id) {
 			console.log('showCardDAV: ', id);
 			var row = this.adrsettings.find('tr[data-id="'+id+'"]');
-			this.adractions.find('.link').val(totalurl+'/'+encodeURIComponent(oc_current_user)+'/');
-			this.showActions(['link','cancel']);
+			this.showLink(id, row, totalurl+'/'+encodeURIComponent(oc_current_user));
 		},
 		showVCF:function(id) {
 			console.log('showVCF: ', id);
 			var row = this.adrsettings.find('tr[data-id="'+id+'"]');
-			this.adractions.find('.link').val(totalurl+'/'+encodeURIComponent(oc_current_user)+'/'+encodeURIComponent(row.data('uri'))+'?export');
-			this.showActions(['link','cancel']);
+			var link = totalurl+'/'+encodeURIComponent(oc_current_user)+'/'+encodeURIComponent(row.data('uri'))+'?export';
+			console.log(link);
+			this.showLink(id, row, link);
 		}
 	}
 };
diff --git a/apps/contacts/l10n/de.php b/apps/contacts/l10n/de.php
index 08e28f3fd0d..5fa5bb4f9dd 100644
--- a/apps/contacts/l10n/de.php
+++ b/apps/contacts/l10n/de.php
@@ -108,6 +108,8 @@
 "Next contact in list" => "Nächster Kontakt aus der Liste",
 "Previous contact in list" => "Vorheriger Kontakt aus der Liste",
 "Expand/collapse current addressbook" => "Ausklappen/Einklappen des Adressbuches",
+"Next addressbook" => "Nächstes Adressbuch",
+"Previous addressbook" => "Vorheriges Adressbuch",
 "Actions" => "Aktionen",
 "Refresh contacts list" => "Kontaktliste neu laden",
 "Add new contact" => "Neuen Kontakt hinzufügen",
diff --git a/apps/contacts/l10n/fr.php b/apps/contacts/l10n/fr.php
index 88521f84e88..9b4822bd976 100644
--- a/apps/contacts/l10n/fr.php
+++ b/apps/contacts/l10n/fr.php
@@ -63,6 +63,8 @@
 "Result: " => "Résultat :",
 " imported, " => "importé,",
 " failed." => "échoué.",
+"Displayname cannot be empty." => "Le nom d'affichage ne peut pas être vide.",
+"Addressbook not found: " => "Carnet d'adresse introuvable : ",
 "This is not your addressbook." => "Ce n'est pas votre carnet d'adresses.",
 "Contact could not be found." => "Ce contact n'a pu être trouvé.",
 "Address" => "Adresse",
@@ -97,6 +99,7 @@
 "Contact" => "Contact",
 "Add Contact" => "Ajouter un Contact",
 "Import" => "Importer",
+"Settings" => "Paramètres",
 "Addressbooks" => "Carnets d'adresses",
 "Close" => "Fermer",
 "Keyboard shortcuts" => "Raccourcis clavier",
@@ -104,6 +107,8 @@
 "Next contact in list" => "Contact suivant dans la liste",
 "Previous contact in list" => "Contact précédent dans la liste",
 "Expand/collapse current addressbook" => "Dé/Replier le carnet d'adresses courant",
+"Next addressbook" => "Carnet d'adresses suivant",
+"Previous addressbook" => "Carnet d'adresses précédent",
 "Actions" => "Actions",
 "Refresh contacts list" => "Actualiser la liste des contacts",
 "Add new contact" => "Ajouter un nouveau contact",
@@ -190,9 +195,13 @@
 "more info" => "Plus d'infos",
 "Primary address (Kontact et al)" => "Adresse principale",
 "iOS/OS X" => "iOS/OS X",
+"Show CardDav link" => "Afficher le lien CardDav",
 "Download" => "Télécharger",
 "Edit" => "Modifier",
 "New Address Book" => "Nouveau Carnet d'adresses",
+"Name" => "Nom",
+"Description" => "Description",
 "Save" => "Sauvegarder",
-"Cancel" => "Annuler"
+"Cancel" => "Annuler",
+"More..." => "Plus…"
 );
diff --git a/apps/contacts/lib/app.php b/apps/contacts/lib/app.php
index e8d9abac417..f6ce213c49b 100644
--- a/apps/contacts/lib/app.php
+++ b/apps/contacts/lib/app.php
@@ -243,6 +243,18 @@ class OC_Contacts_App {
 		self::getVCategories()->loadFromVObject($contact, true);
 	}
 
+	/**
+	 * @brief Get the last modification time.
+	 * @param $vcard OC_VObject
+	 * $return DateTime | null
+	 */
+	public static function lastModified($vcard) {
+		$rev = $vcard->getAsString('REV');
+		if ($rev) {
+			return DateTime::createFromFormat(DateTime::W3C, $rev);
+		}
+	}
+
 	public static function setLastModifiedHeader($contact) {
 		$rev = $contact->getAsString('REV');
 		if ($rev) {
diff --git a/apps/contacts/lib/vcard.php b/apps/contacts/lib/vcard.php
index a93ca399d3a..4cc18027acf 100644
--- a/apps/contacts/lib/vcard.php
+++ b/apps/contacts/lib/vcard.php
@@ -282,12 +282,13 @@ class OC_Contacts_VCard{
 
 	/**
 	 * @brief Adds a card
-	 * @param integer $aid Addressbook id
-	 * @param OC_VObject $card  vCard file
-	 * @param string $uri the uri of the card, default based on the UID
+	 * @param $aid integer Addressbook id
+	 * @param $card OC_VObject  vCard file
+	 * @param $uri string the uri of the card, default based on the UID
+	 * @param $isChecked boolean If the vCard should be checked for validity and version.
 	 * @return insertid on success or false.
 	 */
-	public static function add($aid, OC_VObject $card, $uri=null, $isnew=false){
+	public static function add($aid, OC_VObject $card, $uri=null, $isChecked=false){
 		if(is_null($card)) {
 			OCP\Util::writeLog('contacts', 'OC_Contacts_VCard::add. No vCard supplied', OCP\Util::ERROR);
 			return null;
@@ -295,22 +296,13 @@ class OC_Contacts_VCard{
 		$addressbook = OC_Contacts_Addressbook::find($aid);
 		if ($addressbook['userid'] != OCP\User::getUser()) {
 			$sharedAddressbook = OCP\Share::getItemSharedWithBySource('addressbook', $aid);
-			if (!$sharedAddressbook) {
+			if (!$sharedAddressbook || !($sharedAddressbook['permissions'] & OCP\Share::PERMISSION_CREATE)) {
 				return false;
 			}
-		} else {
-			$sharedAddressbook = false;
 		}
-		if(!$isnew) {
-			if ($sharedAddressbook && !($sharedAddressbook['permissions'] & OCP\Share::PERMISSION_UPDATE)) {
-				return false;
-			}
+		if(!$isChecked) {
 			OC_Contacts_App::loadCategoriesFromVCard($card);
 			self::updateValuesFromAdd($aid, $card);
-		} else {
-			if ($sharedAddressbook && !($sharedAddressbook['permissions'] & OCP\Share::PERMISSION_CREATE)) {
-				return false;
-			}
 		}
 		$card->setString('VERSION', '3.0');
 		// Add product ID is missing.
diff --git a/apps/contacts/photo.php b/apps/contacts/photo.php
index efdf157cd95..f5c8e6fe4bd 100644
--- a/apps/contacts/photo.php
+++ b/apps/contacts/photo.php
@@ -20,14 +20,15 @@ function getStandardImage() {
 }
 
 $id = isset($_GET['id']) ? $_GET['id'] : null;
-$caching = isset($_GET['refresh']) ? 0 : null;
+$etag = null;
+$caching = null;
 
 if(is_null($id)) {
 	getStandardImage();
 }
 
 if(!extension_loaded('gd') || !function_exists('gd_info')) {
-	OCP\Util::writeLog('contacts', 
+	OCP\Util::writeLog('contacts',
 		'photo.php. GD module not installed', OCP\Util::DEBUG);
 	getStandardImage();
 }
@@ -39,25 +40,34 @@ if (!$image) {
 }
 // invalid vcard
 if (is_null($contact)) {
-	OCP\Util::writeLog('contacts', 
-		'photo.php. The VCard for ID ' . $id . ' is not RFC compatible', 
+	OCP\Util::writeLog('contacts',
+		'photo.php. The VCard for ID ' . $id . ' is not RFC compatible',
 		OCP\Util::ERROR);
 } else {
-	OCP\Response::enableCaching($caching);
-	OC_Contacts_App::setLastModifiedHeader($contact);
-
 	// Photo :-)
 	if ($image->loadFromBase64($contact->getAsString('PHOTO'))) {
 		// OK
-		OCP\Response::setETagHeader(md5($contact->getAsString('PHOTO')));
+		$etag = md5($contact->getAsString('PHOTO'));
 	}
 	else
 	// Logo :-/
 	if ($image->loadFromBase64($contact->getAsString('LOGO'))) {
 		// OK
-		OCP\Response::setETagHeader(md5($contact->getAsString('LOGO')));
+		$etag = md5($contact->getAsString('LOGO'));
 	}
 	if ($image->valid()) {
+		$modified = OC_Contacts_App::lastModified($contact);
+		// Force refresh if modified within the last minute.
+		if(!is_null($modified)) {
+			$caching = (time() - $modified->format('U') > 60) ? null : 0;
+		}
+		OCP\Response::enableCaching($caching);
+		if(!is_null($modified)) {
+			OCP\Response::setLastModifiedHeader($modified);
+		}
+		if($etag) {
+			OCP\Response::setETagHeader($etag);
+		}
 		$max_size = 200;
 		if ($image->width() > $max_size || $image->height() > $max_size) {
 			$image->resize($max_size);
diff --git a/apps/contacts/templates/settings.php b/apps/contacts/templates/settings.php
index c9713451c8a..e3536c7b461 100644
--- a/apps/contacts/templates/settings.php
+++ b/apps/contacts/templates/settings.php
@@ -27,8 +27,7 @@
 				</td>
 				<td class="action">
 					<a class="svg action download" title="<?php echo $l->t('Download'); ?>"
-						href="<?php echo OCP\Util::linkToRemote('carddav').'addressbooks/'.OCP\USER::getUser().'/'
-						.rawurlencode($addressbook['uri']) ?>?export"></a>
+						href="<?php echo OCP\Util::linkToAbsolute('contacts', 'export.php'); ?>?bookid=<?php echo $addressbook['id'] ?>"></a>
 				</td>
 				<td class="action">
 					<a class="svg action edit" title="<?php echo $l->t("Edit"); ?>"></a>
@@ -44,7 +43,6 @@
 				<button class="new"><?php echo $l->t('New Address Book') ?></button>
 				<input class="name hidden" type="text" autofocus="autofocus" placeholder="<?php echo $l->t('Name'); ?>" />
 				<input class="description hidden" type="text" placeholder="<?php echo $l->t('Description'); ?>" />
-				<input class="link hidden" style="width: 80%" type="text" autofocus="autofocus" />
 				<button class="save hidden"><?php echo $l->t('Save') ?></button>
 				<button class="cancel hidden"><?php echo $l->t('Cancel') ?></button>
 			</div>
diff --git a/apps/contacts/thumbnail.php b/apps/contacts/thumbnail.php
index 6deb5ca379e..1e3714ae6c6 100644
--- a/apps/contacts/thumbnail.php
+++ b/apps/contacts/thumbnail.php
@@ -26,27 +26,26 @@ OCP\App::checkAppEnabled('contacts');
 session_write_close();
 
 function getStandardImage() {
-	//OCP\Response::setExpiresHeader('P10D');
 	OCP\Response::enableCaching();
 	OCP\Response::redirect(OCP\Util::imagePath('contacts', 'person.png'));
 }
 
 if(!extension_loaded('gd') || !function_exists('gd_info')) {
-	OCP\Util::writeLog('contacts', 
+	OCP\Util::writeLog('contacts',
 		'thumbnail.php. GD module not installed', OCP\Util::DEBUG);
 	getStandardImage();
 	exit();
 }
 
 $id = $_GET['id'];
-$caching = isset($_GET['refresh']) ? 0 : null;
+$caching = null;
 
 $contact = OC_Contacts_App::getContactVCard($id);
 
 // invalid vcard
 if(is_null($contact)) {
-	OCP\Util::writeLog('contacts', 
-		'thumbnail.php. The VCard for ID ' . $id . ' is not RFC compatible', 
+	OCP\Util::writeLog('contacts',
+		'thumbnail.php. The VCard for ID ' . $id . ' is not RFC compatible',
 		OCP\Util::ERROR);
 	getStandardImage();
 	exit();
@@ -60,30 +59,39 @@ $thumbnail_size = 23;
 $image = new OC_Image();
 $photo = $contact->getAsString('PHOTO');
 if($photo) {
-	OCP\Response::setETagHeader(md5($photo));
 	if($image->loadFromBase64($photo)) {
 		if($image->centerCrop()) {
 			if($image->resize($thumbnail_size)) {
+				$modified = OC_Contacts_App::lastModified($contact);
+				// Force refresh if modified within the last minute.
+				if(!is_null($modified)) {
+					$caching = (time() - $modified->format('U') > 60) ? null : 0;
+				}
+				OCP\Response::enableCaching($caching);
+				if(!is_null($modified)) {
+					OCP\Response::setLastModifiedHeader($modified);
+				}
+				OCP\Response::setETagHeader(md5($photo));
 				if($image->show()) {
 					exit();
 				} else {
-					OCP\Util::writeLog('contacts', 
-						'thumbnail.php. Couldn\'t display thumbnail for ID ' . $id, 
+					OCP\Util::writeLog('contacts',
+						'thumbnail.php. Couldn\'t display thumbnail for ID ' . $id,
 						OCP\Util::ERROR);
 				}
 			} else {
-				OCP\Util::writeLog('contacts', 
-					'thumbnail.php. Couldn\'t resize thumbnail for ID ' . $id, 
+				OCP\Util::writeLog('contacts',
+					'thumbnail.php. Couldn\'t resize thumbnail for ID ' . $id,
 					OCP\Util::ERROR);
 			}
 		}else{
-			OCP\Util::writeLog('contacts', 
-				'thumbnail.php. Couldn\'t crop thumbnail for ID ' . $id, 
+			OCP\Util::writeLog('contacts',
+				'thumbnail.php. Couldn\'t crop thumbnail for ID ' . $id,
 				OCP\Util::ERROR);
 		}
 	} else {
-		OCP\Util::writeLog('contacts', 
-			'thumbnail.php. Couldn\'t load image string for ID ' . $id, 
+		OCP\Util::writeLog('contacts',
+			'thumbnail.php. Couldn\'t load image string for ID ' . $id,
 			OCP\Util::ERROR);
 	}
 }