Fix #25: add support for custom urls using get requests

README.md

@@ -11,6 +11,7 @@ conditions.  ZNC Push current supports the following services:
 * [Pushover][]
 * [Prowl][]
 * [Supertoasty][]
+* Custom URL GET requests
 
 This project is still a Work In Progress, but should be functional enough and stable enough
 for everyday usage.  Users are more than welcome to submit feature requests or patches for
@@ -189,6 +190,7 @@ to something similar to "http://domain/#channel/2011-03-09 14:25:09", or
     *   "pushover"
     *   "prowl"
     *   "supertoasty"
+    *   "url"
 
 *   `username = ""`
 
@@ -209,6 +211,12 @@ to something similar to "http://domain/#channel/2011-03-09 14:25:09", or
     When using Pushover, this option allows you to specify a single device name to send
     notifications to; if blank or unset, notifications will be sent to all devices.
 
+    When using URL, this options allows you to specify the URL to send a GET request
+    to, and has keyword expansion performed on portions of it, including the path and
+    any query parameter values.
+
+    This option must be set when using URL.
+
 
 ### Conditions
 

push.cpp

@@ -350,6 +350,71 @@ class CPushMod : public CModule
 				params["image"] = "https://github.com/jreese/znc-push/raw/supertoasty/logo.png";
 				params["sender"] = "ZNC Push";
 			}
+			else if (service == "url")
+			{
+				if (options["target"] == "")
+				{
+					PutModule("Error: target (url) not set");
+					return;
+				}
+
+				int count;
+				VCString parts;
+				CString url = options["target"];
+
+				// Verify that the URL begins with either http:// or https://
+				count = url.Split("://", parts, false);
+
+				if (count != 2)
+				{
+					PutModule("Error: invalid url format");
+					return;
+				}
+
+				use_post = false;
+
+				if (parts[0] == "https")
+				{
+					use_ssl = true;
+					use_port = 443;
+				}
+				else if (parts[0] == "http")
+				{
+					use_ssl = false;
+					use_port = 80;
+				}
+				else
+				{
+					PutModule("Error: invalid url schema");
+					return;
+				}
+
+				// Process the remaining portion of the URL
+				url = parts[1];
+
+				// Split out the host and optional port number; this breaks with raw IPv6 addresses
+				CString host = url.Token(0, false, "/");
+				count = host.Split(":", parts, false);
+
+				if (count > 1)
+				{
+					use_port = parts[1].ToInt();
+				}
+
+				service_host = parts[0];
+
+				// Split remaining URL into path and query components
+				url = "/" + url.Token(1, true, "/");
+				service_url = expand(url.Token(0, false, "?"), replace);
+
+				// Parse and expand query parameter values
+				url = url.Token(1, true, "?");
+				url.URLSplit(params);
+
+				for (MCString::iterator i = params.begin(); i != params.end(); i++) {
+					i->second = expand(i->second, replace);
+				}
+			}
 			else
 			{
 				PutModule("Error: service type not selected");
@@ -977,6 +1042,10 @@ class CPushMod : public CModule
 						{
 							PutModule("Note: Supertoasty requires setting the 'secret' option with device id");
 						}
+						else if (value == "url")
+						{
+							PutModule("Note: URL requires setting the 'target' option with the full URL");
+						}
 						else
 						{
 							PutModule("Error: unknown service name");