Improve checking callsign validity by regex, and fix passing v1 type credentials into v2 APIs

core/constants.py

@@ -1,3 +1,5 @@
+import re
+
 from core.config import SERVER_OWNER_CALLSIGN
 from data.band import Band
 from data.sig import SIG
@@ -9,6 +11,11 @@ SOFTWARE_VERSION = "2.0-pre"
 HTTP_HEADERS = {"User-Agent": f"Spothole v{SOFTWARE_VERSION} (operated by {SERVER_OWNER_CALLSIGN})"}
 HAMQTH_PRG = f"Spothole v{SOFTWARE_VERSION} operated by {SERVER_OWNER_CALLSIGN}".replace(" ", "_")
 
+# Generally useful regexes
+CALL_REGEX = r"[A-Za-z0-9/\-]+"
+CALL_PATTERN = re.compile(CALL_REGEX)
+CALL_ONLY_PATTERN = re.compile(rf"^{CALL_REGEX}$")
+
 # Special Interest Groups
 SIGS = [
     SIG(