Expose seconds_valid in Pleroma Captcha API endpoint

CHANGELOG.md

@@ -33,6 +33,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   contents has been renamed to `hide_notification_contents`
 - Mastodon API: Added `pleroma.metadata.post_formats` to /api/v1/instance
 - Mastodon API (legacy): Allow query parameters for `/api/v1/domain_blocks`, e.g. `/api/v1/domain_blocks?domain=badposters.zone`
+- **Breaking:** Pleroma API: `/api/pleroma/captcha` responses now include `seconds_valid` with an integer value.
 </details>
 
 <details>

docs/API/pleroma_api.md

@@ -50,7 +50,7 @@ Request parameters can be passed via [query strings](https://en.wikipedia.org/wi
 * Authentication: not required
 * Params: none
 * Response: Provider specific JSON, the only guaranteed parameter is `type`
-* Example response: `{"type": "kocaptcha", "token": "whatever", "url": "https://captcha.kotobank.ch/endpoint"}`
+* Example response: `{"type": "kocaptcha", "token": "whatever", "url": "https://captcha.kotobank.ch/endpoint", seconds_valid: 300}`
 
 ## `/api/pleroma/delete_account`
 ### Delete an account

lib/pleroma/captcha/kocaptcha.ex

@@ -21,7 +21,8 @@ def new do
           type: :kocaptcha,
           token: json_resp["token"],
           url: endpoint <> json_resp["url"],
-          answer_data: json_resp["md5"]
+          answer_data: json_resp["md5"],
+          seconds_valid: Pleroma.Config.get([Pleroma.Captcha, :seconds_valid])
         }
     end
   end

lib/pleroma/captcha/native.ex

@@ -17,7 +17,8 @@ def new do
           type: :native,
           token: token(),
           url: "data:image/png;base64," <> Base.encode64(img_binary),
-          answer_data: answer_data
+          answer_data: answer_data,
+          seconds_valid: Pleroma.Config.get([Pleroma.Captcha, :seconds_valid])
         }
     end
   end

test/captcha_test.exs

@@ -41,7 +41,8 @@ test "new and validate" do
                answer_data: answer,
                token: ^token,
                url: ^url,
-               type: :kocaptcha
+               type: :kocaptcha,
+               seconds_valid: 300
              } = new
 
       assert Kocaptcha.validate(token, "7oEy8c", answer) == :ok
@@ -56,7 +57,8 @@ test "new and validate" do
                answer_data: answer,
                token: token,
                type: :native,
-               url: "data:image/png;base64," <> _
+               url: "data:image/png;base64," <> _,
+               seconds_valid: 300
              } = new
 
       assert is_binary(answer)

test/support/captcha_mock.ex

@@ -16,7 +16,8 @@ def new,
       type: :mock,
       token: "afa1815e14e29355e6c8f6b143a39fa2",
       answer_data: @solution,
-      url: "https://example.org/captcha.png"
+      url: "https://example.org/captcha.png",
+      seconds_valid: 300
     }
 
   @impl Service