✨ Add Proxy and SSL setting

src/Curl/Curl.php

@@ -571,6 +571,53 @@ public function setVerbose($on = true)
         $this->setOpt(CURLOPT_VERBOSE, $on);
         return $this;
     }
+
+    /**
+     * set the proxy
+     *
+     * @param   string $type            value can be CURLPROXY_HTTP(default),CURLPROXY_SOCKS4,CURLPROXY_SOCKS5,CURLPROXY_SOCKS4A and CURLPROXY_SOCKS5_HOSTNAME
+     * @param   int $port               default: 8080
+     * @param   string $host            default: 127.0.0.1
+     * @param   string $username        default: Null, if this param is null, user authentication will not take effect
+     * @param   string $password        default: Null,
+     * @return  self
+     * @author  dugulingping
+     * @email   dugulingping@outlook.com
+     */
+    public function setProxy($type = 'CURLPROXY_HTTP', $host = '127.0.0.1', $port = 8080, $username= null, $password = null) : Curl{
+        $this->setOpt(CURLOPT_PROXYAUTH, 'CURLAUTH_BASIC');
+        $this->setOpt(CURLOPT_PROXYTYPE, $type);
+        $this->setOpt(CURLOPT_PROXY, $host);
+        $this->setOpt(CURLOPT_PROXYPORT, $port);
+        if(isset($username)) {
+            $this->setOpt(CURLOPT_PROXYUSERPWD, ($username.':'.$password));
+        }
+
+        return $this;
+    }
+
+    /**
+     * set SSL
+     *
+     * @param   bool $type          When the param is set to FALSE, the certificate check and authentication will be ignored.
+     * @param   string $filePath    
+     * @return  self
+     * @author  dugulingping
+     * @email   dugulingping@outlook.com
+     */
+    public function setSsl($type = true, $filePath = '') : Curl{
+        // When the type is true, set the pem file 
+        if($type){
+            $filePath = ($filePath == '') ? dirname(__FILE__).'/cacert.pem' : $filePath;
+            // SSL CA pubilc key file ： http://curl.haxx.se/ca/cacert.pem
+            // After downloading, please put it in the folder where the library is located
+            $this->setOpt(CURLOPT_CAINFO, $filePath);
+        }
+        $this->setOpt(CURLOPT_SSL_VERIFYPEER, $type);
+
+
+        return $this;
+    }
 
     /**
      * @deprecated Call setVerbose() instead