http: allow PROPOFIND http method

PROPOFIND is used by webdav to retrieve resource's properties.
http://www.webdav.org/specs/rfc4918.html#METHOD_PROPFIND

For example, Nextcloud public sharing uses PROPOFIND to list shared resources.

src/browser/webapi/net/Request.zig

@@ -108,7 +108,7 @@ pub fn init(input: Input, opts_: ?InitOpts, page: *Page) !*Request {
 }
 
 fn parseMethod(method: []const u8, page: *Page) !Http.Method {
-    if (method.len > "options".len) {
+    if (method.len > "propfind".len) {
         return error.InvalidMethod;
     }
 
@@ -122,6 +122,7 @@ fn parseMethod(method: []const u8, page: *Page) !Http.Method {
         .{ "patch", .PATCH },
         .{ "head", .HEAD },
         .{ "options", .OPTIONS },
+        .{ "propfind", .PROPFIND },
     });
     return method_lookup.get(lower) orelse return error.InvalidMethod;
 }

src/browser/webapi/net/XMLHttpRequest.zig

@@ -539,6 +539,9 @@ fn parseMethod(method: []const u8) !Http.Method {
     if (std.ascii.eqlIgnoreCase(method, "put")) {
         return .PUT;
     }
+    if (std.ascii.eqlIgnoreCase(method, "propfind")) {
+        return .PROPFIND;
+    }
     return error.InvalidMethod;
 }
 

src/http/Http.zig

@@ -211,6 +211,7 @@ pub const Connection = struct {
             .HEAD => "HEAD",
             .OPTIONS => "OPTIONS",
             .PATCH => "PATCH",
+            .PROPFIND => "PROPFIND",
         };
         try errorCheck(c.curl_easy_setopt(easy, c.CURLOPT_CUSTOMREQUEST, m.ptr));
     }
@@ -342,6 +343,7 @@ pub const Method = enum(u8) {
     HEAD = 4,
     OPTIONS = 5,
     PATCH = 6,
+    PROPFIND = 7,
 };
 
 // TODO: on BSD / Linux, we could just read the PEM file directly.