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-rw-r--r--include/xchan.php139
1 files changed, 139 insertions, 0 deletions
diff --git a/include/xchan.php b/include/xchan.php
new file mode 100644
index 000000000..12eb674fa
--- /dev/null
+++ b/include/xchan.php
@@ -0,0 +1,139 @@
+<?php
+
+
+function xchan_store_lowlevel($arr) {
+
+ $store = [
+ 'xchan_hash' => ((array_key_exists('xchan_hash',$arr)) ? $arr['xchan_hash'] : ''),
+ 'xchan_guid' => ((array_key_exists('xchan_guid',$arr)) ? $arr['xchan_guid'] : ''),
+ 'xchan_guid_sig' => ((array_key_exists('xchan_guid_sig',$arr)) ? $arr['xchan_guid_sig'] : ''),
+ 'xchan_pubkey' => ((array_key_exists('xchan_pubkey',$arr)) ? $arr['xchan_pubkey'] : ''),
+ 'xchan_photo_mimetype' => ((array_key_exists('xchan_photo_mimetype',$arr)) ? $arr['xchan_photo_mimetype'] : ''),
+ 'xchan_photo_l' => ((array_key_exists('xchan_photo_l',$arr)) ? $arr['xchan_photo_l'] : ''),
+ 'xchan_photo_m' => ((array_key_exists('xchan_photo_m',$arr)) ? $arr['xchan_photo_m'] : ''),
+ 'xchan_photo_s' => ((array_key_exists('xchan_photo_s',$arr)) ? $arr['xchan_photo_s'] : ''),
+ 'xchan_addr' => ((array_key_exists('xchan_addr',$arr)) ? $arr['xchan_addr'] : ''),
+ 'xchan_url' => ((array_key_exists('xchan_url',$arr)) ? $arr['xchan_url'] : ''),
+ 'xchan_connurl' => ((array_key_exists('xchan_connurl',$arr)) ? $arr['xchan_connurl'] : ''),
+ 'xchan_follow' => ((array_key_exists('xchan_follow',$arr)) ? $arr['xchan_follow'] : ''),
+ 'xchan_connpage' => ((array_key_exists('xchan_connpage',$arr)) ? $arr['xchan_connpage'] : ''),
+ 'xchan_name' => ((array_key_exists('xchan_name',$arr)) ? $arr['xchan_name'] : ''),
+ 'xchan_network' => ((array_key_exists('xchan_network',$arr)) ? $arr['xchan_network'] : ''),
+ 'xchan_instance_url' => ((array_key_exists('xchan_instance_url',$arr)) ? $arr['xchan_instance_url'] : ''),
+ 'xchan_flags' => ((array_key_exists('xchan_flags',$arr)) ? intval($arr['xchan_flags']) : 0),
+ 'xchan_photo_date' => ((array_key_exists('xchan_photo_date',$arr)) ? datetime_convert('UTC','UTC',$arr['xchan_photo_date']) : NULL_DATE),
+ 'xchan_name_date' => ((array_key_exists('xchan_name_date',$arr)) ? datetime_convert('UTC','UTC',$arr['xchan_name_date']) : NULL_DATE),
+ 'xchan_hidden' => ((array_key_exists('xchan_hidden',$arr)) ? intval($arr['xchan_hidden']) : 0),
+ 'xchan_orphan' => ((array_key_exists('xchan_orphan',$arr)) ? intval($arr['xchan_orphan']) : 0),
+ 'xchan_censored' => ((array_key_exists('xchan_censored',$arr)) ? intval($arr['xchan_censored']) : 0),
+ 'xchan_selfcensored' => ((array_key_exists('xchan_selfcensored',$arr)) ? intval($arr['xchan_selfcensored']) : 0),
+ 'xchan_system' => ((array_key_exists('xchan_system',$arr)) ? intval($arr['xchan_system']) : 0),
+ 'xchan_pubforum' => ((array_key_exists('xchan_pubforum',$arr)) ? intval($arr['xchan_pubforum']) : 0),
+ 'xchan_deleted' => ((array_key_exists('xchan_deleted',$arr)) ? intval($arr['xchan_deleted']) : 0)
+ ];
+
+ return create_table_from_array('xchan',$store);
+}
+
+
+
+function xchan_store($arr) {
+
+ logger('xchan_store: ' . print_r($arr,true));
+
+ if(! $arr['hash'])
+ $arr['hash'] = $arr['guid'];
+ if(! $arr['hash'])
+ return false;
+
+ $r = q("select * from xchan where xchan_hash = '%s' limit 1",
+ dbesc($arr['hash'])
+ );
+ if($r)
+ return true;
+
+ if(! $arr['network'])
+ $arr['network'] = 'unknown';
+ if(! $arr['name'])
+ $arr['name'] = 'unknown';
+ if(! $arr['url'])
+ $arr['url'] = z_root();
+ if(! $arr['photo'])
+ $arr['photo'] = z_root() . '/' . get_default_profile_photo();
+
+
+ if($arr['network'] === 'zot') {
+ if((! $arr['key']) || (! rsa_verify($arr['guid'],base64url_decode($arr['guid_sig']),$arr['key']))) {
+ logger('Unable to verify signature for ' . $arr['hash']);
+ return false;
+ }
+ }
+
+ $x = [];
+ foreach($arr as $k => $v) {
+ if($k === 'key') {
+ $x['xchan_pubkey'] = $v;
+ continue;
+ }
+ if($k === 'photo') {
+ continue;
+ }
+
+ $x['xchan_' . $k] = $v;
+ }
+
+ $x['xchan_name_date'] = datetime_convert();
+
+ $r = xchan_store_lowlevel($x);
+
+ if(! $r)
+ return $r;
+
+ $photos = import_xchan_photo($arr['photo'],$arr['hash']);
+ $r = q("update xchan set xchan_photo_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s'",
+ dbesc(datetime_convert()),
+ dbesc($photos[0]),
+ dbesc($photos[1]),
+ dbesc($photos[2]),
+ dbesc($photos[3]),
+ dbesc($arr['hash'])
+ );
+ return $r;
+
+}
+
+
+function xchan_fetch($arr) {
+
+ $key = '';
+ if($arr['hash']) {
+ $key = 'xchan_hash';
+ $v = $arr['hash'];
+ }
+ elseif($arr['guid']) {
+ $key = 'xchan_guid';
+ $v = $arr['guid'];
+ }
+ elseif($arr['address']) {
+ $key = 'xchan_addr';
+ $v = $arr['address'];
+ }
+
+ if(! $key)
+ return false;
+
+ $r = q("select * from xchan where $key = '$v' limit 1");
+ if(! $r)
+ return false;
+
+ $ret = array();
+ foreach($r[0] as $k => $v) {
+ if($k === 'xchan_addr')
+ $ret['address'] = $v;
+ else
+ $ret[str_replace('xchan_','',$k)] = $v;
+ }
+ return $ret;
+}
+
+