feat: Allow public DSNs

lib/sentry/client.ex

@@ -187,6 +187,7 @@ defmodule Sentry.Client do
 
     query =
       data
+      |> Enum.filter(fn {_, value} -> value != nil end)
       |> Enum.map(fn {name, value} -> "#{name}=#{value}" end)
       |> Enum.join(", ")
 
@@ -203,15 +204,15 @@ defmodule Sentry.Client do
   @doc """
   Get a Sentry DSN which is simply a URI.
 
-  {PROTOCOL}://{PUBLIC_KEY}:{SECRET_KEY}@{HOST}/{PATH}{PROJECT_ID}
+  {PROTOCOL}://{PUBLIC_KEY}[:{SECRET_KEY}]@{HOST}/{PATH}{PROJECT_ID}
   """
   @spec get_dsn :: dsn
   def get_dsn do
     dsn = Config.dsn()
 
     with %URI{userinfo: userinfo, host: host, port: port, path: path, scheme: protocol}
-         when is_binary(path) <- URI.parse(dsn),
-         [public_key, secret_key] <- String.split(userinfo, ":", parts: 2),
+         when is_binary(path) and is_binary(userinfo) <- URI.parse(dsn),
+         [public_key, secret_key | _] <- String.split(userinfo, ":", parts: 2) ++ [nil],
          [_, binary_project_id] <- String.split(path, "/"),
          {project_id, ""} <- Integer.parse(binary_project_id),
          endpoint <- "#{protocol}://#{host}:#{port}/api/#{project_id}/store/" do

test/client_test.exs

@@ -16,6 +16,16 @@ defmodule Sentry.ClientTest do
              }, sentry_timestamp=\d{10}, sentry_key=public, sentry_secret=secret$/
   end
 
+  test "authorization without secret" do
+    modify_env(:sentry, dsn: "https://public@app.getsentry.com/1")
+    {_endpoint, public_key, private_key} = Client.get_dsn()
+
+    assert Client.authorization_header(public_key, private_key) =~
+             ~r/^Sentry sentry_version=5, sentry_client=sentry-elixir\/#{
+               Application.spec(:sentry, :vsn)
+             }, sentry_timestamp=\d{10}, sentry_key=public$/
+  end
+
   test "get dsn with default config" do
     modify_env(:sentry, dsn: "https://public:secret@app.getsentry.com/1")
 
@@ -31,8 +41,8 @@ defmodule Sentry.ClientTest do
              Sentry.Client.get_dsn()
   end
 
-  test "errors on bad public/secret keys" do
-    modify_env(:sentry, dsn: "https://public@app.getsentry.com/1")
+  test "errors on bad public keys" do
+    modify_env(:sentry, dsn: "https://app.getsentry.com/1")
 
     capture_log(fn ->
       assert :error = Sentry.Client.get_dsn()