From 2c14f5a3da7fa17ac439e3cd523fad8ff54b9591 Mon Sep 17 00:00:00 2001
From: Andrew Bowman <gbowman@appnexus.com>
Date: Tue, 9 Oct 2018 11:31:47 -0400
Subject: [PATCH] Adding appnexus debug via cookie/params (#3152)

* adding appnexus debug via cookie/params

* removing nested object

* added documentation link and removed useless conditional

* fix lint error on documentation message
---
 modules/appnexusBidAdapter.js                | 57 ++++++++++++++++++++
 test/spec/modules/appnexusBidAdapter_spec.js | 28 +++++++++-
 2 files changed, 84 insertions(+), 1 deletion(-)

diff --git a/modules/appnexusBidAdapter.js b/modules/appnexusBidAdapter.js
index aaec207dc1e..f65a3409684 100644
--- a/modules/appnexusBidAdapter.js
+++ b/modules/appnexusBidAdapter.js
@@ -11,6 +11,7 @@ const VIDEO_TARGETING = ['id', 'mimes', 'minduration', 'maxduration',
   'startdelay', 'skippable', 'playback_method', 'frameworks'];
 const USER_PARAMS = ['age', 'external_uid', 'segments', 'gender', 'dnt', 'language'];
 const APP_DEVICE_PARAMS = ['geo', 'device_id']; // appid is collected separately
+const DEBUG_PARAMS = ['enabled', 'dongle', 'member_id', 'debug_timeout'];
 const NATIVE_MAPPING = {
   body: 'description',
   cta: 'ctatext',
@@ -77,6 +78,32 @@ export const spec = {
       };
     }
 
+    let debugObj = {};
+    let debugObjParams = {};
+    const debugCookieName = 'apn_prebid_debug';
+    const debugCookie = getCookie(debugCookieName) || null;
+
+    if (debugCookie) {
+      try {
+        debugObj = JSON.parse(debugCookie);
+      } catch (e) {
+        utils.logError('AppNexus Debug Auction Cookie Error:\n\n' + e);
+      }
+    } else {
+      const debugBidRequest = find(bidRequests, hasDebug);
+      if (debugBidRequest && debugBidRequest.debug) {
+        debugObj = debugBidRequest.debug;
+      }
+    }
+
+    if (debugObj && debugObj.enabled) {
+      Object.keys(debugObj)
+        .filter(param => includes(DEBUG_PARAMS, param))
+        .forEach(param => {
+          debugObjParams[param] = debugObj[param];
+        });
+    }
+
     const memberIdBid = find(bidRequests, hasMemberId);
     const member = memberIdBid ? parseInt(memberIdBid.params.member, 10) : 0;
 
@@ -99,6 +126,11 @@ export const spec = {
       payload.app = appIdObj;
     }
 
+    if (debugObjParams.enabled) {
+      payload.debug = debugObjParams;
+      utils.logInfo('AppNexus Debug Auction Settings:\n\n' + JSON.stringify(debugObjParams, null, 4));
+    }
+
     if (bidderRequest && bidderRequest.gdprConsent) {
       // note - objects for impbus use underscore instead of camelCase
       payload.gdpr_consent = {
@@ -154,6 +186,22 @@ export const spec = {
         }
       });
     }
+
+    if (serverResponse.debug && serverResponse.debug.debug_info) {
+      let debugHeader = 'AppNexus Debug Auction for Prebid\n\n';
+      let debugText = debugHeader + serverResponse.debug.debug_info;
+      debugText = debugText
+        .replace(/(<td>|<th>)/gm, '\t') // Tables
+        .replace(/(<\/td>|<\/th>)/gm, '\n') // Tables
+        .replace(/^<br>/gm, '') // Remove leading <br>
+        .replace(/(<br>\n|<br>)/gm, '\n') // <br>
+        .replace(/<h1>(.*)<\/h1>/gm, '\n\n===== $1 =====\n\n') // Header H1
+        .replace(/<h[2-6]>(.*)<\/h[2-6]>/gm, '\n\n*** $1 ***\n\n') // Headers
+        .replace(/(<([^>]+)>)/igm, ''); // Remove any other tags
+      utils.logMessage('AppNexus Debug Auction Glossary: https://wiki.appnexus.com/x/qwmHAg');
+      utils.logMessage(debugText);
+    }
+
     return bids;
   },
 
@@ -429,6 +477,15 @@ function hasAppId(bid) {
   return !!bid.params.app
 }
 
+function hasDebug(bid) {
+  return !!bid.debug
+}
+
+function getCookie(name) {
+  let m = window.document.cookie.match('(^|;)\\s*' + name + '\\s*=\\s*([^;]*)\\s*(;|$)');
+  return m ? decodeURIComponent(m[2]) : null;
+}
+
 function getRtbBid(tag) {
   return tag && tag.ads && tag.ads.length && find(tag.ads, ad => ad.rtb);
 }
diff --git a/test/spec/modules/appnexusBidAdapter_spec.js b/test/spec/modules/appnexusBidAdapter_spec.js
index 9be87ac8628..0d7c670ee8a 100644
--- a/test/spec/modules/appnexusBidAdapter_spec.js
+++ b/test/spec/modules/appnexusBidAdapter_spec.js
@@ -396,7 +396,33 @@ describe('AppNexusAdapter', function () {
         rd_stk: bidderRequest.refererInfo.stack.map((url) => encodeURIComponent(url)).join(',')
       });
     });
-  })
+
+    it('adds debug auction settings to payload', () => {
+      let debugRequest = Object.assign({},
+        bidRequests[0],
+        {
+          params: {
+            placementId: '10433394'
+          },
+          debug: {
+            enabled: true,
+            dongle: 'QWERTY',
+            member_id: 958,
+            debug_timeout: 1000
+          }
+        }
+      );
+      const request = spec.buildRequests([debugRequest]);
+      const payload = JSON.parse(request.data);
+      expect(payload.debug).to.exist;
+      expect(payload.debug).to.deep.equal({
+        enabled: true,
+        dongle: 'QWERTY',
+        member_id: 958,
+        debug_timeout: 1000
+      });
+    });
+  });
 
   describe('interpretResponse', function () {
     let response = {