fix(archive): dburl check (#2071)

* dburl.nim: simpler regex that can support db_urls with . and - in hostname
* dbrul.nim: accepting any non-empty sequence for user and password
* dburl.nim: skipping validation for 'sqlite' db paths

apps/wakunode2/external_config.nim

@@ -509,18 +509,6 @@ proc parseCmdArg*(T: type Option[uint], p: string): T =
   except CatchableError:
     raise newException(ValueError, "Invalid unsigned integer")
 
-## Configuration validation
-
-let DbUrlRegex = re"^[\w\+]+:\/\/[\w\/\\\.\:\@]+$"
-
-proc validateDbUrl*(val: string): ConfResult[string] =
-  let val = val.strip()
-
-  if val == "" or val == "none" or val.match(DbUrlRegex):
-    ok(val)
-  else:
-    err("invalid 'db url' option format: " & val)
-
 ## Load
 
 proc readValue*(r: var TomlReader, value: var crypto.PrivateKey) {.raises: [SerializationError].} =

waku/common/databases/dburl.nim

@@ -7,9 +7,9 @@ import
 proc validateDbUrl*(dbUrl: string): Result[string, string] =
   ## dbUrl mimics SQLAlchemy Database URL schema
   ## See: https://docs.sqlalchemy.org/en/14/core/engines.html#database-urls
-  let regex = re"^[\w\+]+:\/\/[\w\/\\\.\:\@]+$"
+  let regex = re"^\w+:\/\/.+:.+@[\w*-.]+:[0-9]+\/[\w*-.]+$"
   let dbUrl = dbUrl.strip()
-  if dbUrl == "" or dbUrl == "none" or dbUrl.match(regex):
+  if "sqlite" in dbUrl or dbUrl == "" or dbUrl == "none" or dbUrl.match(regex):
     return ok(dbUrl)
   else:
     return err("invalid 'db url' option format: " & dbUrl)