Add Recaptcha functionality to Gitea (#4044)

templates/base/footer.tmpl

@@ -67,6 +67,11 @@
 {{if .RequireU2F}}
 	<script src="{{AppSubUrl}}/vendor/plugins/u2f/index.js"></script>
 {{end}}
+{{if .EnableCaptcha}}
+	{{if eq .CaptchaType "recaptcha"}}
+		<script src="https://www.google.com/recaptcha/api.js" async></script>
+	{{end}}
+{{end}}
 {{if .RequireTribute}}
 	<script src="{{AppSubUrl}}/vendor/plugins/tribute/tribute.min.js"></script>
 

templates/user/auth/signup_inner.tmpl

@@ -29,7 +29,7 @@
 							<label for="retype">{{.i18n.Tr "re_type"}}</label>
 							<input id="retype" name="retype" type="password" value="{{.retype}}" autocomplete="off" required>
 						</div>
-						{{if .EnableCaptcha}}
+						{{if and .EnableCaptcha (eq .CaptchaType "image")}}
 							<div class="inline field">
 								<label></label>
 								{{.Captcha.CreateHtml}}
@@ -39,6 +39,11 @@
 								<input id="captcha" name="captcha" value="{{.captcha}}" autocomplete="off">
 							</div>
 						{{end}}
+						{{if and .EnableCaptcha (eq .CaptchaType "recaptcha")}}
+							<div class="inline field required">
+								<div class="g-recaptcha" data-sitekey="{{ .RecaptchaSitekey }}"></div>
+							</div>
+						{{end}}
 
 						<div class="inline field">
 							<label></label>

templates/user/auth/signup_openid_register.tmpl

@@ -20,7 +20,7 @@
 						<label for="email">{{.i18n.Tr "email"}}</label>
 						<input id="email" name="email" type="email" value="{{.email}}" required>
 					</div>
-					{{if .EnableCaptcha}}
+					{{if and .EnableCaptcha (eq .CaptchaType "image")}}
 						<div class="inline field">
 							<label></label>
 							{{.Captcha.CreateHtml}}
@@ -30,6 +30,11 @@
 							<input id="captcha" name="captcha" value="{{.captcha}}" autocomplete="off">
 						</div>
 					{{end}}
+					{{if and .EnableCaptcha (eq .CaptchaType "recaptcha")}}
+						<div class="inline field required">
+							<div class="g-recaptcha" data-sitekey="{{ .RecaptchaSitekey }}"></div>
+						</div>
+					{{end}}
 					<div class="inline field">
 						<label for="openid">OpenID URI</label>
 						<input id="openid" value="{{ .OpenID }}" readonly>