From 1b50c57865c8bc11f9d6a196dc7474de0620791e Mon Sep 17 00:00:00 2001
From: JustOff <Off.Just.Off@gmail.com>
Date: Mon, 30 Apr 2018 17:26:04 +0300
Subject: [PALEMOON] Replace serializing `nsISHEntry.owner` with
 `nsISHEntry.triggeringPrincipal`

---
 .../components/sessionstore/SessionStore.jsm       | 30 ++++++++++++++--------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/application/palemoon/components/sessionstore/SessionStore.jsm b/application/palemoon/components/sessionstore/SessionStore.jsm
index b8d126e217..4f95f10a71 100644
--- a/application/palemoon/components/sessionstore/SessionStore.jsm
+++ b/application/palemoon/components/sessionstore/SessionStore.jsm
@@ -2085,7 +2085,7 @@ var SessionStoreInternal = {
     }
     catch (ex) { debug(ex); } // POSTDATA is tricky - especially since some extensions don't get it right
 
-    if (aEntry.owner) {
+    if (aEntry.triggeringPrincipal) {
       // Not catching anything specific here, just possible errors
       // from writeCompoundObject and the like.
       try {
@@ -2094,19 +2094,19 @@ var SessionStoreInternal = {
         var pipe = Cc["@mozilla.org/pipe;1"].createInstance(Ci.nsIPipe);
         pipe.init(false, false, 0, 0xffffffff, null);
         binaryStream.setOutputStream(pipe.outputStream);
-        binaryStream.writeCompoundObject(aEntry.owner, Ci.nsISupports, true);
+        binaryStream.writeCompoundObject(aEntry.triggeringPrincipal, Ci.nsIPrincipal, true);
         binaryStream.close();
 
         // Now we want to read the data from the pipe's input end and encode it.
         var scriptableStream = Cc["@mozilla.org/binaryinputstream;1"].
                                createInstance(Ci.nsIBinaryInputStream);
         scriptableStream.setInputStream(pipe.inputStream);
-        var ownerBytes =
+        var triggeringPrincipalBytes =
           scriptableStream.readByteArray(scriptableStream.available());
         // We can stop doing base64 encoding once our serialization into JSON
         // is guaranteed to handle all chars in strings, including embedded
         // nulls.
-        entry.owner_b64 = btoa(String.fromCharCode.apply(null, ownerBytes));
+        entry.triggeringPrincipal_b64 = btoa(String.fromCharCode.apply(null, triggeringPrincipalBytes));
       }
       catch (ex) { debug(ex); }
     }
@@ -3400,16 +3400,24 @@ var SessionStoreInternal = {
       }
     }
 
-    if (aEntry.owner_b64) {
-      var ownerInput = Cc["@mozilla.org/io/string-input-stream;1"].
-                       createInstance(Ci.nsIStringInputStream);
-      var binaryData = atob(aEntry.owner_b64);
-      ownerInput.setData(binaryData, binaryData.length);
+    // The field aEntry.owner_b64 got renamed to aEntry.triggeringPricipal_b64 in
+    // Bug 1286472. To remain backward compatible we still have to support that
+    // field for a few cycles before we can remove it within Bug 1289785.
+     if (aEntry.owner_b64) {
+      aEntry.triggeringPrincipal_b64 = aEntry.owner_b64;
+      delete aEntry.owner_b64;
+    }
+
+    if (aEntry.triggeringPrincipal_b64) {
+      var triggeringPrincipalInput = Cc["@mozilla.org/io/string-input-stream;1"].
+                                     createInstance(Ci.nsIStringInputStream);
+      var binaryData = atob(aEntry.triggeringPrincipal_b64);
+      triggeringPrincipalInput.setData(binaryData, binaryData.length);
       var binaryStream = Cc["@mozilla.org/binaryinputstream;1"].
                          createInstance(Ci.nsIObjectInputStream);
-      binaryStream.setInputStream(ownerInput);
+      binaryStream.setInputStream(triggeringPrincipalInput);
       try { // Catch possible deserialization exceptions
-        shEntry.owner = binaryStream.readObject(true);
+        shEntry.triggeringPrincipal = binaryStream.readObject(true);
       } catch (ex) { debug(ex); }
     }
 
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