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Don't proxy pictures when they are sent to other networks

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This commit is contained in:
Michael 2018-05-21 10:15:50 +00:00
parent a0a4074de6
commit df531cd400
1 changed files with 20 additions and 10 deletions
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30
src/Content/Text/BBCode.php
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@ -359,6 +359,16 @@ class BBCode extends BaseObject
return $naked_text;
}
private static function proxyUrl($image, $simplehtml = false)
{
// Only send proxied pictures to API and for internal display
if (in_array($simplehtml, [false, 2])) {
return proxy_url($image);
} else {
return $image;
}
}
public static function scaleExternalImages($srctext, $include_link = true, $scale_replace = false)
{
// Suppress "view full size"
@ -562,13 +572,13 @@ class BBCode extends BaseObject
}
if ($data["image"] != "") {
$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], proxy_url($data["image"]), $data["title"]);
$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], self::proxyUrl($data["image"], $simplehtml), $data["title"]);
} elseif ($data["preview"] != "") {
$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], proxy_url($data["preview"]), $data["title"]);
$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], self::proxyUrl($data["preview"], $simplehtml), $data["title"]);
}
if (($data["type"] == "photo") && ($data["url"] != "") && ($data["image"] != "")) {
$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a>', $data["url"], proxy_url($data["image"]), $data["title"]);
$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a>', $data["url"], self::proxyUrl($data["image"], $simplehtml), $data["title"]);
} else {
$return .= sprintf('<h4><a href="%s">%s</a></h4>', $data['url'], $data['title']);
}
@ -839,7 +849,7 @@ class BBCode extends BaseObject
// it loops over the array starting from the first element and going sequentially
// to the last element
$newbody = str_replace('[$#saved_image' . $cnt . '#$]',
'<img src="' . proxy_url($image) . '" alt="' . L10n::t('Image/photo') . '" />', $newbody);
'<img src="' . self::proxyUrl($image) . '" alt="' . L10n::t('Image/photo') . '" />', $newbody);
$cnt++;
}
@ -1571,12 +1581,12 @@ class BBCode extends BaseObject
// [img=widthxheight]image source[/img]
$text = preg_replace_callback(
"/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism",
function ($matches) {
function ($matches) use ($simple_html) {
if (strpos($matches[3], "data:image/") === 0) {
return $matches[0];
}
$matches[3] = proxy_url($matches[3]);
$matches[3] = self::proxyUrl($matches[3], $simple_html);
return "[img=" . $matches[1] . "x" . $matches[2] . "]" . $matches[3] . "[/img]";
},
$text
@ -1586,8 +1596,8 @@ class BBCode extends BaseObject
$text = preg_replace("/\[zmg\=([0-9]*)x([0-9]*)\](.*?)\[\/zmg\]/ism", '<img class="zrl" src="$3" style="width: $1px;" >', $text);
$text = preg_replace_callback("/\[img\=([$URLSearchString]*)\](.*?)\[\/img\]/ism",
function ($matches) {
$matches[1] = proxy_url($matches[1]);
function ($matches) use ($simple_html) {
$matches[1] = self::proxyUrl($matches[1], $simple_html);
$matches[2] = htmlspecialchars($matches[2], ENT_COMPAT);
return '<img src="' . $matches[1] . '" alt="' . $matches[2] . '">';
},
@ -1597,12 +1607,12 @@ class BBCode extends BaseObject
// [img]pathtoimage[/img]
$text = preg_replace_callback(
"/\[img\](.*?)\[\/img\]/ism",
function ($matches) {
function ($matches) use ($simple_html) {
if (strpos($matches[1], "data:image/") === 0) {
return $matches[0];
}
$matches[1] = proxy_url($matches[1]);
$matches[1] = self::proxyUrl($matches[1], $simple_html);
return "[img]" . $matches[1] . "[/img]";
},
$text