[THREESCALE-10934] [3scale_batcher] Update regex to match key with special chars

CHANGELOG.md

@@ -40,6 +40,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Replace luafilesystem-ffi with [luafilesystem](https://github.com/lunarmodules/luafilesystem) [PR #1445](https://github.com/3scale/APIcast/pull/1445) [THREESCALE-10662](https://issues.redhat.com/browse/THREESCALE-10662)
 
 - Fix "Upstream cannot be null" error in APIcast logs [PR #1449](https://github.com/3scale/APIcast/pull/1449) [THREESCALE-5225](https://issues.redhat.com/browse/THREESCALE-5225)
+- Fixed 3scale Batcher policy unable to handle base64 encoded `user_key` [PR #1453](https://github.com/3scale/APIcast/pull/1453) [THREESCALE-10934](https://issues.redhat.com/browse/THREESCALE-10934)
 
 ### Added
 

gateway/src/apicast/policy/3scale_batcher/keys_helper.lua

@@ -39,9 +39,9 @@ local function metrics_part_in_key(usage)
 end
 
 local regexes_report_key = {
-  [[service_id:(?<service_id>[\w-]+),user_key:(?<user_key>[\w-]+),metric:(?<metric>[\S-]+)]],
+  [[service_id:(?<service_id>[\w-]+),user_key:(?<user_key>[\S-]+),metric:(?<metric>[\S-]+)]],
   [[service_id:(?<service_id>[\w-]+),access_token:(?<access_token>[\w-]+),metric:(?<metric>[\S-]+)]],
-  [[service_id:(?<service_id>[\w-]+),app_id:(?<app_id>[\w-]+),app_key:(?<app_key>[\w-]+),metric:(?<metric>[\S-]+)]],
+  [[service_id:(?<service_id>[\w-]+),app_id:(?<app_id>[\w-]+),app_key:(?<app_key>[\S-]+),metric:(?<metric>[\S-]+)]],
   [[service_id:(?<service_id>[\w-]+),app_id:(?<app_id>[\w-]+),metric:(?<metric>[\S-]+)]],
 }
 

spec/policy/3scale_batcher/keys_helper_spec.lua

@@ -34,6 +34,11 @@ describe('Keys Helper', function()
 
       local report = keys_helper.report_from_key_batched_report(key)
       assert.same({ service_id = 's1', app_id = 'ai', app_key = 'ak', metric = 'm1' }, report)
+
+      -- special chars
+      key = 'service_id:s1,app_id:ai,app_key:!#$%&\'()*+,-.:;<=>?@[]^_`{|}~,metric:m1'
+      report = keys_helper.report_from_key_batched_report(key)
+      assert.same({ service_id = 's1', app_id = 'ai', app_key = '!#$%&\'()*+,-.:;<=>?@[]^_`{|}~', metric = 'm1' }, report)
     end)
 
     it('returns a valid metric in case of special chars', function()
@@ -56,6 +61,24 @@ describe('Keys Helper', function()
 
       local report = keys_helper.report_from_key_batched_report(key)
       assert.same({ service_id = 's1', user_key = 'uk', metric = 'm1' }, report)
+
+      key = 'service_id:s1,user_key:you-&$#!!!,metric:m1'
+      report = keys_helper.report_from_key_batched_report(key)
+      assert.same({ service_id = 's1', user_key = 'you-&$#!!!', metric = 'm1' }, report)
+
+      -- Base64
+      key = 'service_id:s1,user_key:aGVsbG93b3JsZAo=,metric:m1'
+      report = keys_helper.report_from_key_batched_report(key)
+      assert.same({ service_id = 's1', user_key = 'aGVsbG93b3JsZAo=', metric = 'm1' }, report)
+
+    end)
+
+    it('returns an error when user_key has space', function()
+      local key = 'service_id:s1,app_id:ai,app_key:I have spaces,metric:m%1'
+      assert.returns_error('credentials not found', keys_helper.report_from_key_batched_report(key))
+
+      key = 'service_id:s1,user_key:I have spaces,metric:m1'
+      assert.returns_error('credentials not found', keys_helper.report_from_key_batched_report(key))
     end)
 
     it('returns a report given a key of a batched report with access token', function()