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Appservice config: handle regexp parsing errors

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Signed-off-by: diamondburned <datutbrus@gmail.com>
This commit is contained in:
diamondburned 2021-04-16 01:05:53 -07:00
parent a9faa1bc44
commit 2a0d08f29a
1 changed files with 20 additions and 5 deletions
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25
setup/config/config_appservice.go
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@ -213,14 +213,22 @@ func setupRegexps(asAPI *AppServiceAPI, derived *Derived) (err error) {
usersSlice = []ApplicationServiceNamespace{}
appservice.NamespaceMap["users"] = usersSlice
}
appendExclusiveNamespaceRegexs(&senderUserIDSlice, usersSlice)
err = appendExclusiveNamespaceRegexs(&senderUserIDSlice, usersSlice)
if err != nil {
return fmt.Errorf("invalid regex in appservice %q: %w", appservice.ID, err)
}
for key, namespaceSlice := range appservice.NamespaceMap {
switch key {
case "users":
appendExclusiveNamespaceRegexs(&exclusiveUsernameStrings, namespaceSlice)
err = appendExclusiveNamespaceRegexs(&exclusiveUsernameStrings, namespaceSlice)
case "aliases":
appendExclusiveNamespaceRegexs(&exclusiveAliasStrings, namespaceSlice)
err = appendExclusiveNamespaceRegexs(&exclusiveAliasStrings, namespaceSlice)
}
if err != nil {
return fmt.Errorf("invalid regex in appservice %q, namespace %q: %w", appservice.ID, key, err)
}
}
}
@ -257,7 +265,7 @@ func setupRegexps(asAPI *AppServiceAPI, derived *Derived) (err error) {
// into the string slice
func appendExclusiveNamespaceRegexs(
exclusiveStrings *[]string, namespaces []ApplicationServiceNamespace,
) {
) error {
for index, namespace := range namespaces {
if namespace.Exclusive {
// We append parenthesis to later separate each regex when we compile
@ -266,8 +274,15 @@ func appendExclusiveNamespaceRegexs(
}
// Compile this regex into a Regexp object for later use
namespaces[index].RegexpObject, _ = regexp.Compile(namespace.Regex)
r, err := regexp.Compile(namespace.Regex)
if err != nil {
return fmt.Errorf("regex at namespace %d: %w", index, err)
}
namespaces[index].RegexpObject = r
}
return nil
}
// checkErrors checks for any configuration errors amongst the loaded