Merge pull request #461 from attermann/firmware_repos

Support for alternate download URL for custom firmware images

RNS/Utilities/rnodeconf.py

@@ -53,6 +53,7 @@ rnode_baudrate = 115200
 known_keys = [["unsigned.io", "30819f300d06092a864886f70d010101050003818d0030818902818100bf831ebd99f43b477caf1a094bec829389da40653e8f1f83fc14bf1b98a3e1cc70e759c213a43f71e5a47eb56a9ca487f241335b3e6ff7cdde0ee0a1c75c698574aeba0485726b6a9dfc046b4188e3520271ee8555a8f405cf21f81f2575771d0b0887adea5dd53c1f594f72c66b5f14904ffc2e72206a6698a490d51ba1105b0203010001"], ["unsigned.io", "30819f300d06092a864886f70d010101050003818d0030818902818100e5d46084e445595376bf7efd9c6ccf19d39abbc59afdb763207e4ff68b8d00ebffb63847aa2fe6dd10783d3ea63b55ac66f71ad885c20e223709f0d51ed5c6c0d0b093be9e1d165bb8a483a548b67a3f7a1e4580f50e75b306593fa6067ae259d3e297717bd7ff8c8f5b07f2bed89929a9a0321026cf3699524db98e2d18fb2d020300ff39"]]
 firmware_update_url = "https://github.com/markqvist/RNode_Firmware/releases/download/"
 fw_filename = None
+fw_url = None
 mapped_model = None
 
 class KISS():
@@ -998,15 +999,49 @@ def ensure_firmware_file(fw_filename):
 
     else:
         try:
-            if selected_version == None:
             if not upd_nocheck:
                 try:
-                        try:
+                    # if custom firmware url, download latest release
+                    if selected_version == None and fw_url == None:
+                        version_url = firmware_version_url+fw_filename
+                        RNS.log("Retrieving latest version info from "+version_url)
                         urlretrieve(firmware_version_url+fw_filename, UPD_DIR+"/"+fw_filename+".version.latest")
+                    else:
+                        if fw_url != None:
+                            if selected_version == None:
+                                version_url = fw_url+"latest/download/release.json"
+                            else:
+                                version_url = fw_url+"download/"+selected_version+"/release.json"
+                        else:
+                                version_url = firmware_update_url+selected_version+"/release.json"
+                        try:
+                            RNS.log("Retrieving specified version info from "+version_url)
+                            urlretrieve(version_url, UPD_DIR+"/version_release_info.json")
+                            import json
+                            with open(UPD_DIR+"/version_release_info.json", "rb") as rif:
+                                rdat = json.loads(rif.read())
+                                variant = rdat[fw_filename]
+                                with open(UPD_DIR+"/"+fw_filename+".version.latest", "wb") as verf:
+                                    inf_str = str(variant["version"])+" "+str(variant["hash"])
+                                    verf.write(inf_str.encode("utf-8"))
                         except Exception as e:
+                            RNS.log("Failed to retrive version information for your board.")
+                            RNS.log("Check your internet connection and try again.")
+                            RNS.log("If you don't have Internet access currently, use the --fw-version option to manually specify a version.")
+                            RNS.log("You can also use --extract to copy the firmware from a known-good RNode of the same model.")
+                            exit()
+                except Exception as e:
+                    # if custom firmware url, don't fallback
+                    if fw_url != None:
+                        RNS.log("Failed to retrive version information for your board from the specified url.")
+                        RNS.log("Check your internet connection and try again.")
+                        RNS.log("If you don't have Internet access currently, use the --fw-version option to manually specify a version.")
+                        RNS.log("You can also use --extract to copy the firmware from a known-good RNode of the same model.")
+                        exit()
+
                     RNS.log("")
                     RNS.log("WARNING!")
-                            RNS.log("Failed to retrieve latest version information for your board from the default server")
+                    RNS.log("Failed to retrieve latest version information for your board from the default server.")
                     RNS.log("Will retry using the following fallback URL: "+fallback_firmware_version_url)
                     RNS.log("")
                     RNS.log("Hit enter if you want to proceed")
@@ -1025,13 +1060,6 @@ def ensure_firmware_file(fw_filename):
                         RNS.log("Error while trying fallback URL: "+str(e))
                         raise e
 
-                    except Exception as e:
-                        RNS.log("Failed to retrive latest version information for your board.")
-                        RNS.log("Check your internet connection and try again.")
-                        RNS.log("If you don't have Internet access currently, use the --fw-version option to manually specify a version.")
-                        RNS.log("You can also use --extract to copy the firmware from a known-good RNode of the same model.")
-                        exit()
-
                 import shutil
                 file = open(UPD_DIR+"/"+fw_filename+".version.latest", "rb")
                 release_info = file.read().decode("utf-8").strip()
@@ -1044,13 +1072,18 @@ def ensure_firmware_file(fw_filename):
                 if not os.path.isdir(UPD_DIR+"/"+selected_version):
                     os.makedirs(UPD_DIR+"/"+selected_version)
                 shutil.copy(UPD_DIR+"/"+fw_filename+".version.latest", UPD_DIR+"/"+selected_version+"/"+fw_filename+".version")
-                    RNS.log("The latest firmware for this board is version "+selected_version)
+                RNS.log("The selected firmware for this board is version "+selected_version)
 
             else:
                 RNS.log("Online firmware version check was disabled, but no firmware version specified for install.")
                 RNS.log("use the --fw-version option to manually specify a version.")
                 exit(98)
 
+            # if custom firmware url, use it
+            if fw_url != None:
+                update_target_url = fw_url+"download/"+selected_version+"/"+fw_filename
+                RNS.log("Retrieving firmware from custom url "+update_target_url)
+            else:
                 update_target_url = firmware_update_url+selected_version+"/"+fw_filename
 
             try:
@@ -1128,7 +1161,7 @@ device_signer = None
 force_update = False
 upd_nocheck = False
 def main():
-    global mapped_product, mapped_model, fw_filename, selected_version, force_update, upd_nocheck, device_signer
+    global mapped_product, mapped_model, fw_filename, fw_url, selected_version, force_update, upd_nocheck, device_signer
 
     try:
         if not util.find_spec("serial"):
@@ -1160,6 +1193,7 @@ def main():
         parser.add_argument("-u", "--update", action="store_true", help="Update firmware to the latest version")
         parser.add_argument("-U", "--force-update", action="store_true", help="Update to specified firmware even if version matches or is older than installed version")
         parser.add_argument("--fw-version", action="store", metavar="version", default=None, help="Use a specific firmware version for update or autoinstall")
+        parser.add_argument("--fw-url", action="store", metavar="url", default=None, help="Use an alternate firmware download URL")
         parser.add_argument("--nocheck", action="store_true", help="Don't check for firmware updates online")
         parser.add_argument("-e", "--extract", action="store_true", help="Extract firmware from connected RNode for later use")
         parser.add_argument("-E", "--use-extracted", action="store_true", help="Use the extracted firmware for autoinstallation or update")
@@ -1232,6 +1266,9 @@ def main():
                 RNS.log("Selected version \""+selected_version+"\" does not appear to be a number.")
                 exit()
 
+        if args.fw_url != None:
+            fw_url = args.fw_url
+
         if args.force_update:
             force_update = True