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-rw-r--r--Zotlabs/Lib/SuperCurl.php112
1 files changed, 112 insertions, 0 deletions
diff --git a/Zotlabs/Lib/SuperCurl.php b/Zotlabs/Lib/SuperCurl.php
new file mode 100644
index 000000000..40ca1addb
--- /dev/null
+++ b/Zotlabs/Lib/SuperCurl.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace Zotlabs\Lib;
+
+/**
+ * @brief wrapper for z_fetch_url() which can be instantiated with several built-in parameters and
+ * these can be modified and re-used. Useful for CalDAV and other processes which need to authenticate
+ * and set lots of CURL options (many of which stay the same from one call to the next).
+ */
+
+
+
+
+class SuperCurl {
+
+
+ private $auth;
+ private $url;
+
+ private $curlopt = array();
+
+ private $headers = null;
+ public $filepos = 0;
+ public $filehandle = 0;
+ public $request_data = '';
+
+ private $request_method = 'GET';
+ private $upload = false;
+
+
+ private function set_data($s) {
+ $this->request_data = $s;
+ $this->filepos = 0;
+ }
+
+ public function curl_read($ch,$fh,$size) {
+
+ if($this->filepos < 0) {
+ unset($fh);
+ return '';
+ }
+
+ $s = substr($this->request_data,$this->filepos,$size);
+
+ if(strlen($s) < $size)
+ $this->filepos = (-1);
+ else
+ $this->filepos = $this->filepos + $size;
+
+ return $s;
+ }
+
+
+ public function __construct($opts = array()) {
+ $this->set($opts);
+ }
+
+ private function set($opts = array()) {
+ if($opts) {
+ foreach($opts as $k => $v) {
+ switch($k) {
+ case 'http_auth':
+ $this->auth = $v;
+ break;
+ case 'custom':
+ $this->request_method = $v;
+ break;
+ case 'url':
+ $this->url = $v;
+ break;
+ case 'data':
+ $this->set_data($v);
+ if($v) {
+ $this->upload = true;
+ }
+ else {
+ $this->upload = false;
+ }
+ break;
+ case 'headers':
+ $this->headers = $v;
+ break;
+ default:
+ $this->curlopts[$k] = $v;
+ break;
+ }
+ }
+ }
+ }
+
+ function exec() {
+ $opts = $this->curlopts;
+ if($this->auth)
+ $opts['http_auth'] = $this->auth;
+ if($this->custom)
+ $opts['custom'] = $this->custom;
+ if($this->headers)
+ $opts['headers'] = $this->headers;
+ if($this->upload) {
+ $opts['upload'] = true;
+ $opts['infile'] = $this->filehandle;
+ $opts['infilesize'] = strlen($this->request_data);
+ $opts['readfunc'] = [ $this, 'curl_read' ] ;
+ }
+
+ $recurse = 0;
+ return z_fetch_url($this->url,true,$recurse,(($opts) ? $opts : null));
+
+ }
+
+
+}