add image, add testing for vapid key, and script to manually push

Makefile

@@ -1,7 +1,7 @@
 PYTHON=python3
 
 .PHONY: run
-run: templates/S2_perm_sw.html templates/S4_server.py venv static/i-ico.png
+run: templates/S2_perm_sw.html templates/S4_server.py venv static/i-ico.png static/i-banner.png
 	($(VENVACT) && python templates/S4_server.py )
 
 VENVACT=. ./venv/bin/activate
@@ -26,3 +26,6 @@ keys/public_key.txt keys/private_key.txt: venv S1_vapid.py
 
 static/i-ico.png:
 	echo P6 1 1 255 255 0 0 | pnmtopng > $@
+
+static/i-banner.png:
+	echo P6 1 1 255 0 0 255 | pnmtopng > $@

pushnotify.sh

@@ -0,0 +1,18 @@
+#!/bin/sh -
+
+subinfo="$1"
+
+if ! [ -f "$1" ] || [ $# != 1 ]; then
+	echo "Usage: $0 <subinfo>"
+	exit 1
+fi
+
+tmpfname="tmp.pushinfo.$$"
+cat - > "$tmpfname"
+
+title=$(grep -i "^Subject:" "$tmpfname" | sed -e 's/.*:[ 	]*//')
+
+jq --rawfile msg "$tmpfname" --arg title "$title" -n '{ "title": $title, "body": $msg, "icon" : "static/i-ico.png", "image" : "static/i-banner.png" }' |
+	pywebpush -v --data /dev/stdin --info "$subinfo"
+
+rm "$tmpfname"

src/S4_server.py

@@ -46,6 +46,17 @@ def donotify(sub, sleep=10):
 
   print('sending notification...')
   try:
+    # Mozilla appears to not require the vapid key.
+    # Chrome requires the vapid key.
+    if True:
+      kwargs = dict(vapid_private_key=None,
+      #vapid_claims=None,
+      )
+    else:
+      kwargs = dict(vapid_private_key=VAPID_PRIVATE,
+      vapid_claims={ "sub": VAPID_SUBJECT },
+      )
+
     webpush(
       subscription_info = sub,
       data = json.dumps({
@@ -53,10 +64,9 @@ def donotify(sub, sleep=10):
         "body" : "Yes, it works!",
         "icon" : "static/i-ico.png",
         "image" : "static/i-banner.png"
-      }),
-      vapid_private_key = VAPID_PRIVATE,
-      vapid_claims = { "sub": VAPID_SUBJECT }
+      }), **kwargs
     )
+    print('done')
   except WebPushException as ex:
     print(ex)
 
@@ -71,7 +81,7 @@ def push():
   # (B3-1) GET SUBSCRIBER
   sub = json.loads(request.form["sub"])
   import sys
-  print('sub:', repr(sub), file=sys.stderr)
+  print('sub:', repr(json.dumps(sub)), file=sys.stderr)
 
   # (B3-2) TEST PUSH NOTIFICATION
   result = "OK"