Bug 1501108 - [1.3] Add GeckoView Session Context ID support. r=snorp…

…,baku,mayhemer

Differential Revision: https://phabricator.services.mozilla.com/D19182

--HG--
extra : moz-landing-system : lando

caps/OriginAttributes.cpp

@@ -163,6 +163,15 @@ void OriginAttributes::CreateSuffix(nsACString& aStr) const {
                sanitizedFirstPartyDomain);
   }
 
+  if (!mGeckoViewSessionContextId.IsEmpty()) {
+    nsAutoString sanitizedGeckoViewUserContextId(mGeckoViewSessionContextId);
+    sanitizedGeckoViewUserContextId.ReplaceChar(
+        dom::quota::QuotaManager::kReplaceChars, '+');
+
+    params.Set(NS_LITERAL_STRING("geckoViewUserContextId"),
+               sanitizedGeckoViewUserContextId);
+  }
+
   aStr.Truncate();
 
   params.Serialize(value);
@@ -258,6 +267,12 @@ class MOZ_STACK_CLASS PopulateFromSuffixIterator final
       return true;
     }
 
+    if (aName.EqualsLiteral("geckoViewUserContextId")) {
+      MOZ_RELEASE_ASSERT(mOriginAttributes->mGeckoViewSessionContextId.IsEmpty());
+      mOriginAttributes->mGeckoViewSessionContextId.Assign(aValue);
+      return true;
+    }
+
     // No other attributes are supported.
     return false;
   }

caps/OriginAttributes.h

@@ -50,7 +50,8 @@ class OriginAttributes : public dom::OriginAttributesDictionary {
            mInIsolatedMozBrowser == aOther.mInIsolatedMozBrowser &&
            mUserContextId == aOther.mUserContextId &&
            mPrivateBrowsingId == aOther.mPrivateBrowsingId &&
-           mFirstPartyDomain == aOther.mFirstPartyDomain;
+           mFirstPartyDomain == aOther.mFirstPartyDomain &&
+           mGeckoViewSessionContextId == aOther.mGeckoViewSessionContextId;
   }
 
   bool operator!=(const OriginAttributes& aOther) const {
@@ -61,7 +62,8 @@ class OriginAttributes : public dom::OriginAttributesDictionary {
     return mAppId == aOther.mAppId &&
            mInIsolatedMozBrowser == aOther.mInIsolatedMozBrowser &&
            mUserContextId == aOther.mUserContextId &&
-           mPrivateBrowsingId == aOther.mPrivateBrowsingId;
+           mPrivateBrowsingId == aOther.mPrivateBrowsingId &&
+           mGeckoViewSessionContextId == aOther.mGeckoViewSessionContextId;
   }
 
   // Serializes/Deserializes non-default values into the suffix format, i.e.
@@ -153,6 +155,11 @@ class OriginAttributesPattern : public dom::OriginAttributesPatternDictionary {
       return false;
     }
 
+    if (mGeckoViewSessionContextId.WasPassed() &&
+        mGeckoViewSessionContextId.Value() != aAttrs.mGeckoViewSessionContextId) {
+      return false;
+    }
+
     return true;
   }
 
@@ -184,6 +191,11 @@ class OriginAttributesPattern : public dom::OriginAttributesPatternDictionary {
       return false;
     }
 
+    if (mGeckoViewSessionContextId.WasPassed() && aOther.mGeckoViewSessionContextId.WasPassed() &&
+        mGeckoViewSessionContextId.Value() != aOther.mGeckoViewSessionContextId.Value()) {
+      return false;
+    }
+
     return true;
   }
 };

dom/chrome-webidl/ChromeUtils.webidl

@@ -525,13 +525,15 @@ dictionary OriginAttributesDictionary {
   boolean inIsolatedMozBrowser = false;
   unsigned long privateBrowsingId = 0;
   DOMString firstPartyDomain = "";
+  DOMString geckoViewSessionContextId = "";
 };
 dictionary OriginAttributesPatternDictionary {
   unsigned long appId;
   unsigned long userContextId;
   boolean inIsolatedMozBrowser;
   unsigned long privateBrowsingId;
   DOMString firstPartyDomain;
+  DOMString geckoViewSessionContextId;
 };
 
 dictionary CompileScriptOptionsDictionary {

mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoSessionSettings.java

@@ -79,6 +79,22 @@ public Builder(final GeckoSessionSettings settings) {
             return this;
         }
 
+        /**
+         * Set the session context ID for this instance.
+         * Setting a context ID partitions the cookie jars based on the provided
+         * IDs. This isolates the browser storage like cookies and localStorage
+         * between sessions, only sessions that share the same ID share storage
+         * data.
+         *
+         * @param value The custom context ID.
+         *              The default ID is null, which removes isolation for this
+         *              instance.
+         */
+        public @NonNull Builder contextId(final @Nullable String value) {
+            mSettings.setContextId(value);
+            return this;
+        }
+
         /**
          * Set whether multi-process support should be enabled.
          *
@@ -213,6 +229,7 @@ public Builder(final GeckoSessionSettings settings) {
      * width of 980 CSS px.
      */
     public static final int VIEWPORT_MODE_MOBILE = 0;
+
     /**
      * All pages will be rendered using the special desktop mode viewport, which has a width of
      * 980 CSS px, regardless of whether the page has a <meta> viewport tag specified or not.
@@ -314,6 +331,12 @@ public static class Key<T> {
     private static final Key<Boolean> FULL_ACCESSIBILITY_TREE =
             new Key<Boolean>("fullAccessibilityTree", /* initOnly */ false, /* values */ null);
 
+    /**
+     * Key to specify the session context ID.
+     */
+    private static final Key<String> CONTEXT_ID =
+        new Key<String>("sessionContextId", /* initOnly */ true, /* values */ null);
+
     private final GeckoSession mSession;
     private final GeckoBundle mBundle;
 
@@ -347,6 +370,7 @@ public GeckoSessionSettings(final @NonNull GeckoSessionSettings settings) {
         mBundle.putString(USER_AGENT_OVERRIDE.name, null);
         mBundle.putInt(VIEWPORT_MODE.name, VIEWPORT_MODE_MOBILE);
         mBundle.putInt(DISPLAY_MODE.name, DISPLAY_MODE_BROWSER);
+        mBundle.putString(CONTEXT_ID.name, null);
     }
 
     /**
@@ -439,6 +463,15 @@ public boolean getUsePrivateMode() {
         return getBoolean(USE_PRIVATE_MODE);
     }
 
+    /**
+     * The context ID for this session.
+     *
+     * @return The context ID for this session.
+     */
+    public @Nullable String getContextId() {
+        return getString(CONTEXT_ID);
+    }
+
     /**
      * Whether multiprocess is enabled.
      *
@@ -597,6 +630,10 @@ public void setUserAgentOverride(final @Nullable String value) {
         setString(USER_AGENT_OVERRIDE, value);
     }
 
+    private void setContextId(final @Nullable String value) {
+        setString(CONTEXT_ID, value);
+    }
+
     private void setString(final Key<String> key, final String value) {
         synchronized (mBundle) {
             if (valueChangedLocked(key, value)) {

mobile/android/modules/geckoview/GeckoViewNavigation.jsm

@@ -13,6 +13,7 @@ XPCOMUtils.defineLazyModuleGetters(this, {
   E10SUtils: "resource://gre/modules/sessionstore/Utils.jsm",
   LoadURIDelegate: "resource://gre/modules/LoadURIDelegate.jsm",
   Services: "resource://gre/modules/Services.jsm",
+  PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.jsm",
 });
 
 // Handles navigation requests between Gecko and a GeckoView.
@@ -32,6 +33,8 @@ class GeckoViewNavigation extends GeckoViewModule {
   }
 
   onInit() {
+    debug `onInit`;
+
     this.registerListener([
       "GeckoView:GoBack",
       "GeckoView:GoForward",
@@ -42,6 +45,16 @@ class GeckoViewNavigation extends GeckoViewModule {
     ]);
 
     this.messageManager.addMessageListener("Browser:LoadURI", this);
+
+    debug `sessionContextId=${this.settings.sessionContextId}`;
+
+    if (this.settings.sessionContextId !== null) {
+      this.browser.webNavigation.setOriginAttributesBeforeLoading({
+        geckoViewSessionContextId: this.settings.sessionContextId,
+        privateBrowsingId:
+          PrivateBrowsingUtils.isBrowserPrivate(this.browser) ? 1 : 0,
+      });
+    }
   }
 
   // Bundle event handler.

mobile/android/modules/geckoview/GeckoViewSettings.jsm

@@ -43,6 +43,7 @@ class GeckoViewSettings extends GeckoViewModule {
     debug `onInit`;
     this._userAgentMode = USER_AGENT_MODE_MOBILE;
     this._userAgentOverride = null;
+    this._sessionContextId = null;
     // Required for safe browsing and tracking protection.
 
     this.registerListener([
@@ -67,6 +68,7 @@ class GeckoViewSettings extends GeckoViewModule {
     this.displayMode = settings.displayMode;
     this.userAgentMode = settings.userAgentMode;
     this.userAgentOverride = settings.userAgentOverride;
+    this.sessionContextId = settings.sessionContextId;
   }
 
   get useMultiprocess() {
@@ -112,6 +114,14 @@ class GeckoViewSettings extends GeckoViewModule {
   set displayMode(aMode) {
     this.window.docShell.displayMode = aMode;
   }
+
+  set sessionContextId(aAttribute) {
+    this._sessionContextId = aAttribute;
+  }
+
+  get sessionContextId() {
+    return this._sessionContextId;
+  }
 }
 
 const {debug, warn} = GeckoViewSettings.initLogging("GeckoViewSettings"); // eslint-disable-line no-unused-vars

netwerk/protocol/http/HttpBaseChannel.cpp

@@ -3208,6 +3208,9 @@ already_AddRefed<nsILoadInfo> HttpBaseChannel::CloneLoadInfoForRedirect(
     MOZ_ASSERT(
         docShellAttrs.mPrivateBrowsingId == attrs.mPrivateBrowsingId,
         "docshell and necko should have the same privateBrowsingId attribute.");
+    MOZ_ASSERT(
+        docShellAttrs.mGeckoViewSessionContextId == attrs.mGeckoViewSessionContextId,
+        "docshell and necko should have the same geckoViewSessionContextId attribute");
 
     attrs = docShellAttrs;
     attrs.SetFirstPartyDomain(true, newURI);