tobias/friendica
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The guid creation for posts is now done in a separate function

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This commit is contained in:
Michael 2018-02-21 04:13:13 +00:00
parent dd0147bd01
commit 475969a1d3
1 changed files with 52 additions and 35 deletions
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87
src/Model/Item.php
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@ -225,6 +225,55 @@ class Item extends BaseObject
self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]); self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
} }
private static function guid($arr, $notify)
{
$guid = notags(trim($arr['guid']));
if (!empty($guid)) {
return $guid;
}
if ($notify) {
// We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
// We add the hash of our own host because our host is the original creator of the post.
$prefix_host = get_app()->get_hostname();
} else {
$prefix_host = '';
// We are only storing the post so we create a GUID from the original hostname.
if (!empty($arr['author-link'])) {
$parsed = parse_url($arr['author-link']);
if (!empty($parsed['host'])) {
$prefix_host = $parsed['host'];
}
}
if (empty($prefix_host) && !empty($arr['plink'])) {
$parsed = parse_url($arr['plink']);
if (!empty($parsed['host'])) {
$prefix_host = $parsed['host'];
}
}
if (empty($prefix_host) && !empty($arr['uri'])) {
$parsed = parse_url($arr['uri']);
if (!empty($parsed['host'])) {
$prefix_host = $parsed['host'];
}
}
}
if (!empty($arr['plink'])) {
$guid = self::guidFromUri($arr['plink'], $prefix_host);
} elseif (!empty($arr['uri'])) {
$guid = self::guidFromUri($arr['uri'], $prefix_host);
} else {
$guid = get_guid(32, hash('crc32', $prefix_host));
}
return $guid;
}
public static function insert($arr, $force_parent = false, $notify = false, $dontcache = false) public static function insert($arr, $force_parent = false, $notify = false, $dontcache = false)
{ {
$a = get_app(); $a = get_app();
@ -236,32 +285,11 @@ class Item extends BaseObject
$arr['origin'] = 1; $arr['origin'] = 1;
$arr['network'] = NETWORK_DFRN; $arr['network'] = NETWORK_DFRN;
$arr['protocol'] = PROTOCOL_DFRN; $arr['protocol'] = PROTOCOL_DFRN;
// We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
// In difference to the call to "self::guidFromUri" several lines below we add the hash of our own host.
// This is done because our host is the original creator of the post.
if (!isset($arr['guid'])) {
if (isset($arr['plink'])) {
$arr['guid'] = self::guidFromUri($arr['plink'], $a->get_hostname());
} elseif (isset($arr['uri'])) {
$arr['guid'] = self::guidFromUri($arr['uri'], $a->get_hostname());
}
}
} else { } else {
$arr['network'] = trim(defaults($arr, 'network', NETWORK_PHANTOM)); $arr['network'] = trim(defaults($arr, 'network', NETWORK_PHANTOM));
} }
$guid_prefix = ''; $arr['guid'] = self::guid($arr, $notify);
if ((trim($arr['guid']) == "") && (trim($arr['plink']) != "")) {
$arr['guid'] = self::guidFromUri($arr['plink']);
} elseif ((trim($arr['guid']) == "") && (trim($arr['uri']) != "")) {
$arr['guid'] = self::guidFromUri($arr['uri']);
} else {
$parsed = parse_url($arr["author-link"]);
$guid_prefix = hash("crc32", $parsed["host"]);
}
$arr['guid'] = notags(trim(defaults($arr, 'guid', get_guid(32, $guid_prefix))));
$arr['uri'] = notags(trim(defaults($arr, 'uri', item_new_uri($a->get_hostname(), $arr['uid'], $arr['guid'])))); $arr['uri'] = notags(trim(defaults($arr, 'uri', item_new_uri($a->get_hostname(), $arr['uid'], $arr['guid']))));
// Store conversation data // Store conversation data
@ -1037,26 +1065,15 @@ class Item extends BaseObject
* @brief Creates an unique guid out of a given uri * @brief Creates an unique guid out of a given uri
* *
* @param string $uri uri of an item entry * @param string $uri uri of an item entry
* @param string $host (Optional) hostname for the GUID prefix * @param string $host hostname for the GUID prefix
* @return string unique guid * @return string unique guid
*/ */
public static function guidFromUri($uri, $host = "") public static function guidFromUri($uri, $host)
{ {
// Our regular guid routine is using this kind of prefix as well // Our regular guid routine is using this kind of prefix as well
// We have to avoid that different routines could accidentally create the same value // We have to avoid that different routines could accidentally create the same value
$parsed = parse_url($uri); $parsed = parse_url($uri);
// When the hostname isn't given, we take it from the uri
if ($host == "") {
// Is it in the format data@host.tld?
if ((count($parsed) == 1) && strstr($uri, '@')) {
$mailparts = explode('@', $uri);
$host = array_pop($mailparts);
} else {
$host = $parsed["host"];
}
}
// We use a hash of the hostname as prefix for the guid // We use a hash of the hostname as prefix for the guid
$guid_prefix = hash("crc32", $host); $guid_prefix = hash("crc32", $host);