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Merge pull request #3171 from Hypolite/bug/fix-diaspora-attachment-links 

Bug/fix diaspora attachment links
This commit is contained in:
Michael Vogel 2017-02-19 19:44:20 +01:00 committed by GitHub
parent 6bc657f398 58a444b430
commit 82ebc673a0
2 changed files with 70 additions and 63 deletions
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56
include/ParseUrl.php
View File

@ -21,13 +21,13 @@ class ParseUrl {
/**
* @brief Search for chached embeddable data of an url otherwise fetch it
*
*
* @param type $url The url of the page which should be scraped
* @param type $no_guessing If true the parse doens't search for
* preview pictures
* @param type $do_oembed The false option is used by the function fetch_oembed()
* to avoid endless loops
*
*
* @return array which contains needed data for embedding
* string 'url' => The url of the parsed page
* string 'type' => Content type
@ -37,9 +37,9 @@ class ParseUrl {
* if $no_geuessing = false
* array'images' = Array of preview pictures
* string 'keywords' => The tags which belong to the content
*
*
* @see ParseUrl::getSiteinfo() for more information about scraping
* embeddable content
* embeddable content
*/
public static function getSiteinfoCached($url, $no_guessing = false, $do_oembed = true) {
@ -71,21 +71,21 @@ class ParseUrl {
}
/**
* @brief Parse a page for embeddable content information
*
*
* This method parses to url for meta data which can be used to embed
* the content. If available it prioritizes Open Graph meta tags.
* If this is not available it uses the twitter cards meta tags.
* As fallback it uses standard html elements with meta informations
* like \<title\>Awesome Title\</title\> or
* \<meta name="description" content="An awesome description"\>
*
*
* @param type $url The url of the page which should be scraped
* @param type $no_guessing If true the parse doens't search for
* preview pictures
* @param type $do_oembed The false option is used by the function fetch_oembed()
* to avoid endless loops
* @param type $count Internal counter to avoid endless loops
*
*
* @return array which contains needed data for embedding
* string 'url' => The url of the parsed page
* string 'type' => Content type
@ -95,13 +95,13 @@ class ParseUrl {
* if $no_geuessing = false
* array'images' = Array of preview pictures
* string 'keywords' => The tags which belong to the content
*
*
* @todo https://developers.google.com/+/plugins/snippet/
* @verbatim
* <meta itemprop="name" content="Awesome title">
* <meta itemprop="description" content="An awesome description">
* <meta itemprop="image" content="http://maple.libertreeproject.org/images/tree-icon.png">
*
*
* <body itemscope itemtype="http://schema.org/Product">
* <h1 itemprop="name">Shiny Trinket</h1>
* <img itemprop="image" src="{image-url}" />
@ -130,7 +130,7 @@ class ParseUrl {
$url = trim($url, "'");
$url = trim($url, '"');
$url = original_url($url);
$url = strip_tracking_query_params($url);
$siteinfo["url"] = $url;
$siteinfo["type"] = "link";
@ -142,8 +142,7 @@ class ParseUrl {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 3);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
@ -151,7 +150,6 @@ class ParseUrl {
$header = curl_exec($ch);
$curl_info = @curl_getinfo($ch);
$http_code = $curl_info["http_code"];
curl_close($ch);
$a->save_timestamp($stamp1, "network");
@ -197,26 +195,6 @@ class ParseUrl {
}
}
$stamp1 = microtime(true);
// Now fetch the body as well
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 0);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, (($check_cert) ? 2 : false));
$header = curl_exec($ch);
$curl_info = @curl_getinfo($ch);
$http_code = $curl_info["http_code"];
curl_close($ch);
$a->save_timestamp($stamp1, "network");
// Fetch the first mentioned charset. Can be in body or header
$charset = "";
if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches)) {
@ -476,7 +454,7 @@ class ParseUrl {
/**
* @brief Convert tags from CSV to an array
*
*
* @param string $string Tags
* @return array with formatted Hashtags
*/
@ -492,9 +470,9 @@ class ParseUrl {
/**
* @brief Add a hasht sign to a string
*
*
* This method is used as callback function
*
*
* @param string $tag The pure tag name
* @param int $k Counter for internal use
*/
@ -504,16 +482,16 @@ class ParseUrl {
/**
* @brief Add a scheme to an url
*
*
* The src attribute of some html elements (e.g. images)
* can miss the scheme so we need to add the correct
* scheme
*
*
* @param string $url The url which possibly does have
* a missing scheme (a link to an image)
* @param string $scheme The url with a correct scheme
* (e.g. the url from the webpage which does contain the image)
*
*
* @return string The url with a scheme
*/
private static function completeUrl($url, $scheme) {

77
include/network.php
View File

@ -11,11 +11,11 @@ require_once('include/Probe.php');
/**
* @brief Curl wrapper
*
*
* If binary flag is true, return binary results.
* Set the cookiejar argument to a string (e.g. "/tmp/friendica-cookies.txt")
* to preserve cookies from one request to the next.
*
*
* @param string $url URL to fetch
* @param boolean $binary default false
* TRUE if asked to return binary results (file download)
@ -23,7 +23,7 @@ require_once('include/Probe.php');
* @param integer $timeout Timeout in seconds, default system config value or 60 seconds
* @param string $accept_content supply Accept: header with 'accept_content' as the value
* @param string $cookiejar Path to cookie jar file
*
*
* @return string The fetched content
*/
function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null, $cookiejar = 0) {
@ -218,13 +218,13 @@ function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
/**
* @brief Post request to $url
*
*
* @param string $url URL to post
* @param mixed $params
* @param string $headers HTTP headers
* @param integer $redirects Recursion counter for internal use - default = 0
* @param integer $timeout The timeout in seconds, default system config value or 60 seconds
*
*
* @return string The content
*/
function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0) {
@ -385,10 +385,10 @@ function http_status_exit($val, $description = array()) {
/**
* @brief Check URL to se if ts's real
*
*
* Take a URL from the wild, prepend http:// if necessary
* and check DNS to see if it's real (or check if is a valid IP address)
*
*
* @param string $url The URL to be validated
* @return boolean True if it's a valid URL, fals if something wrong with it
*/
@ -415,7 +415,7 @@ function validate_url(&$url) {
/**
* @brief Checks that email is an actual resolvable internet address
*
*
* @param string $addr The email address
* @return boolean True if it's a valid email address, false if it's not
*/
@ -436,10 +436,10 @@ function validate_email($addr) {
/**
* @brief Check if URL is allowed
*
*
* Check $url against our list of allowed sites,
* wildcards allowed. If allowed_sites is unset return true;
*
*
* @param string $url URL which get tested
* @return boolean True if url is allowed otherwise return false
*/
@ -481,9 +481,9 @@ function allowed_url($url) {
/**
* @brief Check if email address is allowed to register here.
*
*
* Compare against our list (wildcards allowed).
*
*
* @param type $email
* @return boolean False if not allowed, true if allowed
* or if allowed list is not configured
@ -670,42 +670,71 @@ function fix_contact_ssl_policy(&$contact,$new_policy) {
}
}
function original_url($url, $depth=1, $fetchbody = false) {
$a = get_app();
// Remove Analytics Data from Google and other tracking platforms
/**
* @brief Remove Google Analytics and other tracking platforms params from URL
*
* @param string $url Any user-submitted URL that may contain tracking params
* @return string The same URL stripped of tracking parameters
*/
function strip_tracking_query_params($url)
{
$urldata = parse_url($url);
if (is_string($urldata["query"])) {
$query = $urldata["query"];
parse_str($query, $querydata);
if (is_array($querydata))
foreach ($querydata AS $param=>$value)
if (is_array($querydata)) {
foreach ($querydata AS $param => $value) {
if (in_array($param, array("utm_source", "utm_medium", "utm_term", "utm_content", "utm_campaign",
"wt_mc", "pk_campaign", "pk_kwd", "mc_cid", "mc_eid",
"fb_action_ids", "fb_action_types", "fb_ref",
"awesm", "wtrid",
"woo_campaign", "woo_source", "woo_medium", "woo_content", "woo_term"))) {
$pair = $param."=".urlencode($value);
$pair = $param . "=" . urlencode($value);
$url = str_replace($pair, "", $url);
// Second try: if the url isn't encoded completely
$pair = $param."=".str_replace(" ", "+", $value);
$pair = $param . "=" . str_replace(" ", "+", $value);
$url = str_replace($pair, "", $url);
// Third try: Maybey the url isn't encoded at all
$pair = $param."=".$value;
$pair = $param . "=" . $value;
$url = str_replace($pair, "", $url);
$url = str_replace(array("?&", "&&"), array("?", ""), $url);
}
}
}
if (substr($url, -1, 1) == "?")
if (substr($url, -1, 1) == "?") {
$url = substr($url, 0, -1);
}
}
return $url;
}
/**
* @brief Returns the original URL of the provided URL
*
* This function strips tracking query params and follows redirections, either
* through HTTP code or meta refresh tags. Stops after 10 redirections.
*
* @todo Remove the $fetchbody parameter that generates an extraneous HEAD request
*
* @see ParseUrl::getSiteinfo
*
* @param string $url A user-submitted URL
* @param int $depth The current redirection recursion level (internal)
* @param bool $fetchbody Wether to fetch the body or not after the HEAD requests
* @return string A canonical URL
*/
function original_url($url, $depth = 1, $fetchbody = false) {
$a = get_app();
$url = strip_tracking_query_params($url);
if ($depth > 10)
return($url);
@ -821,7 +850,7 @@ function short_link($url) {
/**
* @brief Encodes content to json
*
*
* This function encodes an array to json format
* and adds an application/json HTTP header to the output.
* After finishing the process is getting killed.