WebUI: allow absolute URLs for disclaimers

Signed-off-by: Nicola Murino <[email protected]>

docs/full-configuration.md

@@ -359,7 +359,7 @@ The configuration file contains the following sections:
       - `logo_path`, string. Path to your logo relative to `static_files_path`. The preferred image size is 256x256 pixel
       - `login_image_path`, string. Path to a custom image to show on the login screen relative to `static_files_path`. The preferred image size is 900x900 pixel
       - `disclaimer_name`, string. Name for your optional disclaimer
-      - `disclaimer_path`, string. Path to the HTML page with the disclaimer relative to `static_files_path`
+      - `disclaimer_path`, string. Path to the HTML page with the disclaimer relative to `static_files_path` or an absolute URL (http or https).
       - `default_css`, list of strings. Optional path to custom CSS files, relative to `static_files_path`, which replaces the default CSS
       - `extra_css`, list of strings. Defines the paths, relative to `static_files_path`, to additional CSS files
   - `templates_path`, string. Path to the HTML web templates. This can be an absolute path or a path relative to the config dir

internal/httpd/httpd.go

@@ -405,7 +405,8 @@ type UIBranding struct {
 	FaviconPath string `json:"favicon_path" mapstructure:"favicon_path"`
 	// DisclaimerName defines the name for the link to your optional disclaimer
 	DisclaimerName string `json:"disclaimer_name" mapstructure:"disclaimer_name"`
-	// Path to the HTML page for your disclaimer relative to "static_files_path".
+	// Path to the HTML page for your disclaimer relative to "static_files_path"
+	// or an absolute http/https URL.
 	DisclaimerPath string `json:"disclaimer_path" mapstructure:"disclaimer_path"`
 	// Path to custom CSS files, relative to "static_files_path", which replaces
 	// the default CSS files
@@ -431,7 +432,9 @@ func (b *UIBranding) check(isWebClient bool) {
 		b.FaviconPath = "/favicon.ico"
 	}
 	if b.DisclaimerPath != "" {
-		b.DisclaimerPath = util.CleanPath(b.DisclaimerPath)
+		if !strings.HasPrefix(b.DisclaimerPath, "https://") && !strings.HasPrefix(b.DisclaimerPath, "http://") {
+			b.DisclaimerPath = path.Join(webStaticFilesPath, util.CleanPath(b.DisclaimerPath))
+		}
 	}
 	if len(b.DefaultCSS) > 0 {
 		for idx := range b.DefaultCSS {
@@ -1111,6 +1114,8 @@ func updateWebClientURLs(baseURL string) {
 	webClientViewPDFPath = path.Join(baseURL, webClientViewPDFPathDefault)
 	webClientGetPDFPath = path.Join(baseURL, webClientGetPDFPathDefault)
 	webClientExistPath = path.Join(baseURL, webClientExistPathDefault)
+	webStaticFilesPath = path.Join(baseURL, webStaticFilesPathDefault)
+	webOpenAPIPath = path.Join(baseURL, webOpenAPIPathDefault)
 }
 
 func updateWebAdminURLs(baseURL string) {

internal/httpd/internal_test.go

@@ -348,11 +348,14 @@ func TestBrandingValidation(t *testing.T) {
 	assert.Equal(t, []string{"/my.css"}, b.Branding.WebAdmin.DefaultCSS)
 	assert.Len(t, b.Branding.WebAdmin.ExtraCSS, 0)
 	assert.Equal(t, "/favicon1.ico", b.Branding.WebClient.FaviconPath)
-	assert.Equal(t, "/path2", b.Branding.WebClient.DisclaimerPath)
+	assert.Equal(t, path.Join(webStaticFilesPath, "/path2"), b.Branding.WebClient.DisclaimerPath)
 	assert.Equal(t, "/img/login_image.png", b.Branding.WebClient.LoginImagePath)
 	if assert.Len(t, b.Branding.WebClient.ExtraCSS, 1) {
 		assert.Equal(t, "/1.css", b.Branding.WebClient.ExtraCSS[0])
 	}
+	b.Branding.WebAdmin.DisclaimerPath = "https://example.com"
+	b.checkBranding()
+	assert.Equal(t, "https://example.com", b.Branding.WebAdmin.DisclaimerPath)
 }
 
 func TestRedactedConf(t *testing.T) {

static/locales/en/translation.json

@@ -239,7 +239,7 @@
             "disk": "Disk quota",
             "size": "Size: {{- val}}",
             "size_percentage": "Size: {{- val}} ({{percentage}}%)",
-            "files": "Files: {{- num}}",
+            "files": "Files: {{- val}}",
             "files_percentage": "Files: {{- val}} ({{percentage}}%)",
             "transfer": "Transfer quota",
             "total": "Total: {{- val}}",

templates/webadmin/login.html

@@ -66,7 +66,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
                                     {{if and .Branding.DisclaimerName .Branding.DisclaimerPath}}
                                     <hr>
                                     <div class="text-center">
-                                        <a class="small" href="{{.StaticURL}}{{.Branding.DisclaimerPath}}" target="_blank">{{.Branding.DisclaimerName}}</a>
+                                        <a class="small" href="{{.Branding.DisclaimerPath}}" target="_blank">{{.Branding.DisclaimerName}}</a>
                                     </div>
                                     {{end}}
 {{end}}

templates/webclient/files.html

@@ -2029,7 +2029,7 @@ explicit grant from the SFTPGo Team ([email protected]).
                         {{- if $files}}
                         {{- $percentage := .QuotaUsage.GetQuotaFilesPercentage}}
                         <div class="{{if .QuotaUsage.IsQuotaFilesLow}}text-warning{{else}}text-gray-700{{end}} fw-semibold fs-6">
-                            <span {{if gt $percentage 0}}data-i18n="fs.quota_usage.files_percentage" data-i18n-options='{ "val": "{{$files}}", "percentage": {{$percentage}} }'{{else}}data-i18n="fs.quota_usage.files" data-i18n-options='{ "num": "{{$files}}" }'{{end}}></span>
+                            <span {{if gt $percentage 0}}data-i18n="fs.quota_usage.files_percentage" data-i18n-options='{ "val": "{{$files}}", "percentage": {{$percentage}} }'{{else}}data-i18n="fs.quota_usage.files" data-i18n-options='{ "val": "{{$files}}" }'{{end}}></span>
                         </div>
                         {{- end}}
                     </div>

templates/webclient/login.html

@@ -90,7 +90,7 @@ explicit grant from the SFTPGo Team ([email protected]).
 								</a>
 								{{- end}}
 								{{- if and .Branding.DisclaimerName .Branding.DisclaimerPath}}
-								<a href="{{.StaticURL}}{{.Branding.DisclaimerPath}}" target="_blank" class="px-2">
+								<a href="{{.Branding.DisclaimerPath}}" target="_blank" class="px-2">
 									<span data-i18n="custom.disclaimer_webclient">{{.Branding.DisclaimerName}}</span>
 								</a>
 								{{- end}}