feat(config): Support setting proxy via https_proxy env variable (#437)

lib/bugsnag/configuration.rb

@@ -76,13 +76,9 @@ def initialize
       # Read the API key from the environment
       self.api_key = ENV["BUGSNAG_API_KEY"]
 
-      # Read NET::HTTP proxy environment variable
-      if ENV["http_proxy"]
-        uri = URI.parse(ENV["http_proxy"])
-        self.proxy_host = uri.host
-        self.proxy_port = uri.port
-        self.proxy_user = uri.user
-        self.proxy_password = uri.password
+      # Read NET::HTTP proxy environment variables
+      if (proxy_uri = ENV["https_proxy"] || ENV['http_proxy'])
+        parse_proxy(proxy_uri)
       end
 
       # Set up logging
@@ -184,6 +180,16 @@ def debug(message)
       logger.debug(PROG_NAME) { message }
     end
 
+    ##
+    # Parses and sets proxy from a uri
+    def parse_proxy(uri)
+      proxy = URI.parse(uri)
+      self.proxy_host = proxy.host
+      self.proxy_port = proxy.port
+      self.proxy_user = proxy.user
+      self.proxy_password = proxy.password
+    end
+
     private
 
     PROG_NAME = "[Bugsnag]"

spec/configuration_spec.rb

@@ -29,6 +29,55 @@
     end
   end
 
+  describe "set_proxy" do
+    it "defaults proxy settings to nil" do
+      expect(subject.proxy_host).to be nil
+      expect(subject.proxy_port).to be nil
+      expect(subject.proxy_user).to be nil
+      expect(subject.proxy_password).to be nil
+    end
+
+    it "allows proxy settings to be set directly" do
+      subject.proxy_host = "http://localhost"
+      subject.proxy_port = 34000
+      subject.proxy_user = "user"
+      subject.proxy_password = "password"
+      expect(subject.proxy_host).to eq("http://localhost")
+      expect(subject.proxy_port).to eq(34000)
+      expect(subject.proxy_user).to eq("user")
+      expect(subject.proxy_password).to eq("password")
+    end
+
+    it "parses a uri if provided" do
+      subject.parse_proxy("http://user:password@localhost:34000")
+      expect(subject.proxy_host).to eq("localhost")
+      expect(subject.proxy_port).to eq(34000)
+      expect(subject.proxy_user).to eq("user")
+      expect(subject.proxy_password).to eq("password")
+    end
+
+    it "automatically parses http_proxy environment variable" do
+      ENV['http_proxy'] = "http://user:password@localhost:34000"
+      expect(subject.proxy_host).to eq("localhost")
+      expect(subject.proxy_port).to eq(34000)
+      expect(subject.proxy_user).to eq("user")
+      expect(subject.proxy_password).to eq("password")
+    end
+
+    it "automatically parses https_proxy environment variable" do
+      ENV['https_proxy'] = "https://user:password@localhost:34000"
+      expect(subject.proxy_host).to eq("localhost")
+      expect(subject.proxy_port).to eq(34000)
+      expect(subject.proxy_user).to eq("user")
+      expect(subject.proxy_password).to eq("password")
+    end
+
+    after do
+      ENV['http_proxy'] = nil
+      ENV['https_proxy'] = nil
+    end
+  end
+
   describe "logger" do
     class TestLogger
       attr_accessor :logs