Handle :: escapes properly; Fixes #134

Author: lilith

imageflow_server/src/main.rs

@@ -19,19 +19,8 @@ fn main() {
 
 
 fn parse_mount(s: &str) -> std::result::Result<MountLocation, String>{
-    //.split permits empty elements. We just join consecutive empty elements to allow escaping of : via ::
-    let mut parts = s.split(":").fold((Vec::new(),false), | (mut list, previous_empty), item| {
-        if previous_empty && item.is_empty(){
-            (list, false)
-        }else if item.is_empty(){
-            list.push(item.to_owned());
-            (list, true)
-        }else{
-            list.push(item.to_owned());
-            (list, false)
-        }
-    }).0;
-
+    //Escape ::
+    let mut parts = s.replace("::","||||||").split(":").map(|s| s.replace("||||||",":")).collect::<Vec<String>>();
     if parts.len() < 2 {
         Err(format!("--mount prefix:engine:args  Mount value must contain at least prefix:engine - received {:?} ({:?})", s, &parts))
     }else{

imageflow_server/tests/test_ir4.rs

@@ -252,6 +252,18 @@ fn run_server_test_i4(){
 
         callback_result.unwrap();
     }
+    {
+        let c = context.subfolder_context("proxy");
+        c.subfolder_context("proxy");
+        let (po, callback_result) = ServerInstance::run(&c, Proto::Http, vec!["--data-dir=.", "--mount","/extern/:ir4_http:http:://images.unsplash.com/"], | server | {
+            fetch_bytes(&server.url_for("/extern/photo-1422493757035-1e5e03968f95?width=100"))?;
+            Ok(())
+        });
+
+        //po.expect_status_code(Some(0));
+
+        callback_result.unwrap();
+    }
     {
         let c = context.subfolder_context("mount_local"); //stuck on port 39876
         c.create_blank_image_here("eh", 100,100, s::EncoderPreset::libpng32());
@@ -432,4 +444,4 @@ impl ProcTestContextHttp for ProcTestContext{
         }
     }
 
-}
+}