From 2c7da5d0de29cd7010bd6a34c0b6cfb79fe24466 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Sat, 25 Feb 2012 14:22:51 -0800
Subject: [PATCH] scale external images

---
 include/bb2diaspora.php | 32 +-------------------------------
 include/diaspora.php    | 12 ++++++------
 include/network.php     | 40 ++++++++++++++++++++++++++++++++++++++++
 mod/item.php            |  2 ++
 4 files changed, 49 insertions(+), 37 deletions(-)

diff --git a/include/bb2diaspora.php b/include/bb2diaspora.php
index bcef86616b..8487f845a6 100755
--- a/include/bb2diaspora.php
+++ b/include/bb2diaspora.php
@@ -55,42 +55,12 @@ function diaspora2bb($s) {
 	$s = preg_replace("/(\[code\])+(.*?)(\[\/code\])+/ism","[code]$2[/code]", $s);
 
 	// Don't show link to full picture (until it is fixed)
-	$s = scale_diaspora_images($s, false);
+	$s = scale_external_images($s, false);
 
 	return $s;
 }
 
 
-function scale_diaspora_images($s,$include_link = true) {
-
-	$matches = null;
-	$c = preg_match_all('/\[img\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
-	if($c) {
-		require_once('include/Photo.php');
-		foreach($matches as $mtch) {
-			logger('scale_diaspora_image: ' . $mtch[1]);
-			$i = fetch_url($mtch[1]);
-			if($i) {
-				$ph = new Photo($i);
-				if($ph->is_valid()) {
-					if($ph->getWidth() > 600 || $ph->getHeight() > 600) {
-						$ph->scaleImage(600);
-						$new_width = $ph->getWidth();
-						$new_height = $ph->getHeight();
-						logger('scale_diaspora_image: ' . $new_width . 'w ' . $new_height . 'h' . 'match: ' . $mtch[0], LOGGER_DEBUG);
-						$s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
-							. "\n" . (($include_link) 
-								? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n"
-								: ''),$s);
-						logger('scale_diaspora_image: new string: ' . $s, LOGGER_DEBUG);
-					}
-				}
-			}
-		}
-	}
-	return $s;
-}
-
 function stripdcode_br_cb($s) {
 	return '[code]' . str_replace('<br />', "\n\t", $s[1]) . '[/code]';
 }
diff --git a/include/diaspora.php b/include/diaspora.php
index 5896f1bfd4..dca857a198 100755
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -794,15 +794,15 @@ function diaspora_reshare($importer,$xml) {
 
 	if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
 		$body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
-		$body = scale_diaspora_images($body,false);
+		$body = scale_external_images($body,false);
 	}
 	elseif($source_xml->post->asphoto->image_url) {
 		$body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
-		$body = scale_diaspora_images($body);
+		$body = scale_external_images($body);
 	}
 	elseif($source_xml->post->status_message) {
 		$body = diaspora2bb($source_xml->post->status_message->raw_message);
-		$body = scale_diaspora_images($body);
+		$body = scale_external_images($body);
 
 	}
 	else {
@@ -945,11 +945,11 @@ function diaspora_asphoto($importer,$xml) {
 
 	if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
 		$body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
-		$body = scale_diaspora_images($body,false);
+		$body = scale_external_images($body,false);
 	}
 	elseif($xml->image_url) {
 		$body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
-		$body = scale_diaspora_images($body);
+		$body = scale_external_images($body);
 	}
 	else {
 		logger('diaspora_asphoto: no photo url found.');
@@ -1476,7 +1476,7 @@ function diaspora_photo($importer,$xml,$msg) {
 
 	$link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
 
-	$link_text = scale_diaspora_images($link_text);
+	$link_text = scale_external_images($link_text);
 
 	if(strpos($parent_item['body'],$link_text) === false) {
 		$r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1",
diff --git a/include/network.php b/include/network.php
index 25db62d161..531c3ea4c8 100755
--- a/include/network.php
+++ b/include/network.php
@@ -776,3 +776,43 @@ function add_fcontact($arr,$update = false) {
 
 	return $r;
 }
+
+
+function scale_external_images($s,$include_link = true) {
+
+	$a = get_app();
+
+	$matches = null;
+	$c = preg_match_all('/\[img\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
+	if($c) {
+		require_once('include/Photo.php');
+		foreach($matches as $mtch) {
+			logger('scale_external_image: ' . $mtch[1]);
+			$hostname = str_replace('www.','',substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')+3));
+			if(stristr($mtch[1],$hostname))
+				continue;
+			$i = fetch_url($mtch[1]);
+			if($i) {
+				$ph = new Photo($i);
+				if($ph->is_valid()) {
+					$orig_width = $ph->getWidth();
+					$orig_height = $ph->getHeight();
+
+					if($orig_width > 640 || $orig_height > 640) {
+
+						$ph->scaleImage(640);
+						$new_width = $ph->getWidth();
+						$new_height = $ph->getHeight();
+						logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
+						$s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $mtch[1] . '[/img]'
+							. "\n" . (($include_link) 
+								? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n"
+								: ''),$s);
+						logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
+					}
+				}
+			}
+		}
+	}
+	return $s;
+}
diff --git a/mod/item.php b/mod/item.php
index 3035989f36..9e0768a658 100755
--- a/mod/item.php
+++ b/mod/item.php
@@ -400,6 +400,8 @@ function item_post(&$a) {
 
 	$body = preg_replace('/\[\/code\]\s*\[code\]/ism',"\n",$body); 
 
+	$body = scale_external_images($body,false);
+
 	/**
 	 * Look for any tags and linkify them
 	 */