Initial implementation if license template selector and /licenses/:key API endpoint

2 files changed, 28 insertions, 0 deletions

diff --git a/lib/api/api.rb b/lib/api/api.rb
index 7d65145176b..cc1004f8005 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -57,5 +57,6 @@ module API
     mount Builds
     mount Variables
     mount Runners
+    mount Licenses
   end
 end
diff --git a/lib/api/licenses.rb b/lib/api/licenses.rb
new file mode 100644
index 00000000000..7fffbef84e4
--- /dev/null
+++ b/lib/api/licenses.rb
@@ -0,0 +1,27 @@
+module API
+  # Licenses API
+  class Licenses < Grape::API
+    YEAR_TEMPLATE_REGEX = /(\[|<|{)(year|yyyy)(\]|>|})/
+    FULLNAME_TEMPLATE_REGEX = /\[fullname\]/
+
+    # Get text for specific license
+    #
+    # Parameters:
+    #   key (required) - The key of a license
+    #   fullname       - Reository owner fullname
+    # Example Request:
+    #   GET /licenses/mit
+    get 'licenses/:key', requirements: { key: /[\w.-]*/ } do
+      env['api.format'] = :txt
+      license = Licensee::License.find(params[:key]).try(:text)
+
+      if license
+        license
+          .gsub(YEAR_TEMPLATE_REGEX, Time.now.year.to_s)
+          .gsub(FULLNAME_TEMPLATE_REGEX, params[:fullname])
+      else
+        error!('License not found', 404)
+      end
+    end
+  end
+end