Integrate MAS with Synapse

mas/share/templates/components/captcha.html

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+{#
+Copyright 2024, 2025 New Vector Ltd.
+Copyright 2024 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+-#}
+
+{% macro form(class="") -%}
+  {%- if captcha|default(False) -%}
+    <noscript>
+      <div class="captcha-noscript">
+        {{ _("mas.captcha.noscript") }}
+      </div>
+    </noscript>
+
+    {%- if captcha.service == "recaptcha_v2" -%}
+      <div class="g-recaptcha {{ class }}" data-sitekey="{{ captcha.site_key }}"></div>
+    {%- elif captcha.service == "cloudflare_turnstile" -%}
+      <div class="cf-turnstile {{ class }}" data-sitekey="{{ captcha.site_key }}"></div>
+    {%- elif captcha.service == "hcaptcha" -%}
+      <div class="h-captcha {{ class }}" data-sitekey="{{ captcha.site_key }}"></div>
+    {%- else -%}
+      {{ throw(message="Invalid captcha service setup") }}
+    {%- endif %}
+  {%- endif -%}
+{% endmacro %}
+
+{% macro head() -%}
+  {%- if captcha|default(False) -%}
+    {%- if captcha.service == "recaptcha_v2" -%}
+      <script src="https://www.google.com/recaptcha/api.js" async defer></script>
+    {%- elif captcha.service == "cloudflare_turnstile" -%}
+      <script src="https://challenges.cloudflare.com/turnstile/v0/api.js" async defer></script>
+    {%- elif captcha.service == "hcaptcha" -%}
+      <script src="https://js.hcaptcha.com/1/api.js?recaptchacompat=off" async defer></script>
+    {%- else -%}
+      {{ throw(message="Invalid captcha service setup") }}
+    {%- endif %}
+  {%- endif -%}
+{%- endmacro %}