wip: add md5 dependency

Author: boltlessengineer

lua/rest-nvim/autocmds.lua

@@ -43,6 +43,27 @@
 
 local autocmds = {}
 
+---@param req rest.Request
+local function interpret_basic_auth(req)
+    local auth_header = req.headers["authorization"]
+    if not auth_header then
+        return
+    end
+    local auth_header_value = auth_header[#auth_header]
+    local auth_type, id, pw = auth_header_value:match("(%w+)%s+([^:%s]+)%s*[:(%s+)]%s*(.*)")
+    if auth_type == "Basic" then
+        auth_header[#auth_header] = "Basic " .. require("base64").encode(id .. ":" .. pw)
+    elseif auth_type == "Digest" then
+        -- TODO: implement digest tokens... but how?
+        -- we can update headers but digest tokens require multiple requests
+        -- So it can only be supported after we have chained requests support.
+        -- see https://github.com/catwell/lua-http-digest/blob/master/http-digest.lua
+        -- as example implementation of digest tokens
+    else
+        require("rest-nvim.logger").info("Unsupported auth-type:", auth_type)
+    end
+end
+
 ---Set up Rest autocommands group
 ---@package
 function autocmds.setup()
@@ -82,12 +103,7 @@ function autocmds.setup()
                 end
             end
             if hooks.interpret_basic_auth then
-                local auth_header = req.headers["authorization"]
-                if auth_header then
-                    local auth_header_value = auth_header[#auth_header]
-                    local id, pw = auth_header_value:match("Basic%s+([^:%s]+)%s*[:(%s+)]%s*(.*)")
-                    auth_header[#auth_header] = "Basic " .. require("base64").encode(id .. ":" .. pw)
-                end
+                interpret_basic_auth(req)
             end
         end,
     })

nix/plugin-overlay.nix

@@ -20,6 +20,25 @@
         };
         disabled = luaOlder "5.1";
       }) {};
+    md5 = luaself.callPackage ({
+      buildLuarocksPackage,
+      fetchurl,
+      fetchzip,
+      luaOlder,
+    }:
+      buildLuarocksPackage {
+        pname = "md5";
+        version = "1.3-1";
+        knownRockspec = (fetchurl {
+          url    = "mirror://luarocks/md5-1.3-1.rockspec";
+          sha256 = "sha256-2S6Dvk0yazW8DCJf2DYxrLW11+B7r6DCJZ7CMCMAfSI=";
+        }).outPath;
+        src = fetchzip {
+          url    = "https://github.com/lunarmodules/md5/archive/refs/tags/1.3.zip";
+          sha256 = "sha256-mCN7mmCGf2vdXriT1q8rrhUmKh49AY8A+cZVCu6XJzY=";
+        };
+        disabled = luaOlder "5.0";
+      }) {};
     rest-nvim = luaself.callPackage ({
       buildLuarocksPackage,
       fetchurl,
@@ -39,6 +58,7 @@
           xml2lua
           fidget-nvim
           base64
+          md5
           tree-sitter-http
         ];
       }) {};

nix/test-overlay.nix

@@ -15,6 +15,7 @@
           xml2lua
           fidget-nvim
           final.lua51Packages.base64
+          final.lua51Packages.md5
           final.lua51Packages.tree-sitter-http
         ];
       extraPackages = [

spec/examples/examples_spec.lua

@@ -158,3 +158,9 @@ describe("builtin request hooks", function()
         end)
     end)
 end)
+it("make sure md5 work", function()
+    local md5 = require("md5")
+    local md5sum = md5.sumhexa
+    assert.same("9236657b478ea807fdfa275d24990843", md5sum("qwer:asdf"))
+    -- TODO: implement digest auth with https://github.com/catwell/lua-http-digest/blob/master/http-digest.lua
+end)