[#923] Removed <br> elements from auth forms, adjusted docs, minor auth settings refactoring.

docs/config.md

@@ -390,6 +390,11 @@ config :auto_linker,
   ]
 ```
 
+## Pleroma.Web.Auth.Authenticator
+
+* `Pleroma.Web.Auth.PleromaAuthenticator`: default database authenticator
+* `Pleroma.Web.Auth.LDAPAuthenticator`: LDAP authentication
+
 ## :ldap
 
 Use LDAP for user authentication.  When a user logs in to the Pleroma
@@ -408,16 +413,15 @@ Pleroma account will be created with the same name as the LDAP user name.
 * `base`: LDAP base, e.g. "dc=example,dc=com"
 * `uid`: LDAP attribute name to authenticate the user, e.g. when "cn", the filter will be "cn=username,base"
 
-## Pleroma.Web.Auth.Authenticator
-
-* `Pleroma.Web.Auth.PleromaAuthenticator`: default database authenticator
-* `Pleroma.Web.Auth.LDAPAuthenticator`: LDAP authentication
-
 ## :auth
 
 Authentication / authorization settings.
 
-* `oauth_consumer_strategies`: lists enabled OAuth consumer strategies; by default it's set by OAUTH_CONSUMER_STRATEGIES environment variable.
+* `auth_template`: authentication form template. By default it's `show.html` which corresponds to `lib/pleroma/web/templates/o_auth/o_auth/show.html.eex`. 
+* `oauth_consumer_template`: OAuth consumer mode authentication form template. By default it's `consumer.html` which corresponds to `lib/pleroma/web/templates/o_auth/o_auth/consumer.html.eex`.
+* `oauth_consumer_strategies`: the list of enabled OAuth consumer strategies; by default it's set by OAUTH_CONSUMER_STRATEGIES environment variable.
+
+# OAuth consumer mode
 
 OAuth consumer mode allows sign in / sign up via external OAuth providers (e.g. Twitter, Facebook, Google, Microsoft, etc.).
 Implementation is based on Ueberauth; see the list of [available strategies](https://github.com/ueberauth/ueberauth/wiki/List-of-Strategies).

lib/pleroma/web/auth/authenticator.ex

@@ -31,12 +31,15 @@ defmodule Pleroma.Web.Auth.Authenticator do
 
   @callback auth_template() :: String.t() | nil
   def auth_template do
-    implementation().auth_template() || Pleroma.Config.get(:auth_template, "show.html")
+    # Note: `config :pleroma, :auth_template, "..."` support is deprecated
+    implementation().auth_template() ||
+      Pleroma.Config.get([:auth, :auth_template], Pleroma.Config.get(:auth_template)) ||
+      "show.html"
   end
 
   @callback oauth_consumer_template() :: String.t() | nil
   def oauth_consumer_template do
     implementation().oauth_consumer_template() ||
-      Pleroma.Config.get(:oauth_consumer_template, "consumer.html")
+      Pleroma.Config.get([:auth, :oauth_consumer_template], "consumer.html")
   end
 end

lib/pleroma/web/templates/o_auth/o_auth/consumer.html.eex

@@ -1,5 +1,3 @@
-<br>
-<br>
 <h2>Sign in with external provider</h2>
 
 <%= form_for @conn, o_auth_path(@conn, :prepare_request), [method: "get"], fn f -> %>

lib/pleroma/web/templates/o_auth/o_auth/register.html.eex

@@ -7,10 +7,7 @@
 
 <h2>Registration Details</h2>
 
-<p>If you'd like to register a new account,
-<br>
-please provide the details below.</p>
-<br>
+<p>If you'd like to register a new account, please provide the details below.</p>
 
 <%= form_for @conn, o_auth_path(@conn, :register), [], fn f -> %>
 
@@ -25,9 +22,6 @@ please provide the details below.</p>
 
 <%= submit "Proceed as new user", name: "op", value: "register" %>
 
-<br>
-<br>
-<br>
 <p>Alternatively, sign in to connect to existing account.</p>
 
 <div class="input">