[feature] Configurable custom css length (#1827)

* [feature] Make accounts custom css length configurable

* test custom css validation

3 files changed, 52 insertions, 25 deletions

diff --git a/internal/config/config.go b/internal/config/config.go
index 0b7b527ea..8dcbcaf97 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -85,6 +85,7 @@ type Configuration struct {
 	AccountsApprovalRequired bool `name:"accounts-approval-required" usage:"Do account signups require approval by an admin or moderator before user can log in? If false, new registrations will be automatically approved."`
 	AccountsReasonRequired   bool `name:"accounts-reason-required" usage:"Do new account signups require a reason to be submitted on registration?"`
 	AccountsAllowCustomCSS   bool `name:"accounts-allow-custom-css" usage:"Allow accounts to enable custom CSS for their profile pages and statuses."`
+	AccountsCustomCSSLength  int  `name:"accounts-custom-css-length" usage:"Maximum permitted length (characters) of custom CSS for accounts."`
 
 	MediaImageMaxSize        bytesize.Size `name:"media-image-max-size" usage:"Max size of accepted images in bytes"`
 	MediaVideoMaxSize        bytesize.Size `name:"media-video-max-size" usage:"Max size of accepted videos in bytes"`
diff --git a/internal/config/defaults.go b/internal/config/defaults.go
index 53d994cda..c11f436d6 100644
--- a/internal/config/defaults.go
+++ b/internal/config/defaults.go
@@ -65,6 +65,7 @@ var Defaults = Configuration{
 	AccountsApprovalRequired: true,
 	AccountsReasonRequired:   true,
 	AccountsAllowCustomCSS:   false,
+	AccountsCustomCSSLength:  10000,
 
 	MediaImageMaxSize:        10 * bytesize.MiB,
 	MediaVideoMaxSize:        40 * bytesize.MiB,
diff --git a/internal/config/helpers.gen.go b/internal/config/helpers.gen.go
index 2a70488e8..16865f32c 100644
--- a/internal/config/helpers.gen.go
+++ b/internal/config/helpers.gen.go
@@ -74,6 +74,31 @@ func GetLogDbQueries() bool { return global.GetLogDbQueries() }
 // SetLogDbQueries safely sets the value for global configuration 'LogDbQueries' field
 func SetLogDbQueries(v bool) { global.SetLogDbQueries(v) }
 
+// GetLogClientIP safely fetches the Configuration value for state's 'LogClientIP' field
+func (st *ConfigState) GetLogClientIP() (v bool) {
+	st.mutex.Lock()
+	v = st.config.LogClientIP
+	st.mutex.Unlock()
+	return
+}
+
+// SetLogClientIP safely sets the Configuration value for state's 'LogClientIP' field
+func (st *ConfigState) SetLogClientIP(v bool) {
+	st.mutex.Lock()
+	defer st.mutex.Unlock()
+	st.config.LogClientIP = v
+	st.reloadToViper()
+}
+
+// LogClientIPFlag returns the flag name for the 'LogClientIP' field
+func LogClientIPFlag() string { return "log-client-ip" }
+
+// GetLogClientIP safely fetches the value for global configuration 'LogClientIP' field
+func GetLogClientIP() bool { return global.GetLogClientIP() }
+
+// SetLogClientIP safely sets the value for global configuration 'LogClientIP' field
+func SetLogClientIP(v bool) { global.SetLogClientIP(v) }
+
 // GetApplicationName safely fetches the Configuration value for state's 'ApplicationName' field
 func (st *ConfigState) GetApplicationName() (v string) {
 	st.mutex.Lock()
@@ -924,6 +949,31 @@ func GetAccountsAllowCustomCSS() bool { return global.GetAccountsAllowCustomCSS(
 // SetAccountsAllowCustomCSS safely sets the value for global configuration 'AccountsAllowCustomCSS' field
 func SetAccountsAllowCustomCSS(v bool) { global.SetAccountsAllowCustomCSS(v) }
 
+// GetAccountsCustomCSSLength safely fetches the Configuration value for state's 'AccountsCustomCSSLength' field
+func (st *ConfigState) GetAccountsCustomCSSLength() (v int) {
+	st.mutex.Lock()
+	v = st.config.AccountsCustomCSSLength
+	st.mutex.Unlock()
+	return
+}
+
+// SetAccountsCustomCSSLength safely sets the Configuration value for state's 'AccountsCustomCSSLength' field
+func (st *ConfigState) SetAccountsCustomCSSLength(v int) {
+	st.mutex.Lock()
+	defer st.mutex.Unlock()
+	st.config.AccountsCustomCSSLength = v
+	st.reloadToViper()
+}
+
+// AccountsCustomCSSLengthFlag returns the flag name for the 'AccountsCustomCSSLength' field
+func AccountsCustomCSSLengthFlag() string { return "accounts-custom-css-length" }
+
+// GetAccountsCustomCSSLength safely fetches the value for global configuration 'AccountsCustomCSSLength' field
+func GetAccountsCustomCSSLength() int { return global.GetAccountsCustomCSSLength() }
+
+// SetAccountsCustomCSSLength safely sets the value for global configuration 'AccountsCustomCSSLength' field
+func SetAccountsCustomCSSLength(v int) { global.SetAccountsCustomCSSLength(v) }
+
 // GetMediaImageMaxSize safely fetches the Configuration value for state's 'MediaImageMaxSize' field
 func (st *ConfigState) GetMediaImageMaxSize() (v bytesize.Size) {
 	st.mutex.Lock()
@@ -3829,28 +3879,3 @@ func GetRequestIDHeader() string { return global.GetRequestIDHeader() }
 
 // SetRequestIDHeader safely sets the value for global configuration 'RequestIDHeader' field
 func SetRequestIDHeader(v string) { global.SetRequestIDHeader(v) }
-
-// GetLogClientIP safely fetches the Configuration value for state's 'LogClientIP' field
-func (st *ConfigState) GetLogClientIP() (v bool) {
-	st.mutex.Lock()
-	v = st.config.LogClientIP
-	st.mutex.Unlock()
-	return
-}
-
-// SetLogClientIP safely sets the Configuration value for state's 'LogClientIP' field
-func (st *ConfigState) SetLogClientIP(v bool) {
-	st.mutex.Lock()
-	defer st.mutex.Unlock()
-	st.config.LogClientIP = v
-	st.reloadToViper()
-}
-
-// LogClientIPFlag returns the flag name for the 'LogClientIP' field
-func LogClientIPFlag() string { return "log-client-ip" }
-
-// GetLogClientIP safely fetches the value for global configuration 'LogClientIP' field
-func GetLogClientIP() bool { return global.GetLogClientIP() }
-
-// SetLogClientIP safely sets the value for global configuration 'LogClientIP' field
-func SetLogClientIP(v bool) { global.SetLogClientIP(v) }