TUN-528: Move cloudflared into a separate repo

vendor/github.com/mholt/caddy/caddyhttp/status/setup.go

@@ -0,0 +1,107 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package status
+
+import (
+	"strconv"
+
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+// init registers Status plugin
+func init() {
+	caddy.RegisterPlugin("status", caddy.Plugin{
+		ServerType: "http",
+		Action:     setup,
+	})
+}
+
+// setup configures new Status middleware instance.
+func setup(c *caddy.Controller) error {
+	rules, err := statusParse(c)
+	if err != nil {
+		return err
+	}
+
+	cfg := httpserver.GetConfig(c)
+	mid := func(next httpserver.Handler) httpserver.Handler {
+		return Status{Rules: rules, Next: next}
+	}
+	cfg.AddMiddleware(mid)
+
+	return nil
+}
+
+// statusParse parses status directive
+func statusParse(c *caddy.Controller) ([]httpserver.HandlerConfig, error) {
+	var rules []httpserver.HandlerConfig
+
+	for c.Next() {
+		hadBlock := false
+		args := c.RemainingArgs()
+
+		switch len(args) {
+		case 1:
+			status, err := strconv.Atoi(args[0])
+			if err != nil {
+				return rules, c.Errf("Expecting a numeric status code, got '%s'", args[0])
+			}
+
+			for c.NextBlock() {
+				hadBlock = true
+				basePath := c.Val()
+
+				for _, cfg := range rules {
+					rule := cfg.(*Rule)
+					if rule.Base == basePath {
+						return rules, c.Errf("Duplicate path: '%s'", basePath)
+					}
+				}
+
+				rule := NewRule(basePath, status)
+				rules = append(rules, rule)
+
+				if c.NextArg() {
+					return rules, c.ArgErr()
+				}
+			}
+
+			if !hadBlock {
+				return rules, c.ArgErr()
+			}
+		case 2:
+			status, err := strconv.Atoi(args[0])
+			if err != nil {
+				return rules, c.Errf("Expecting a numeric status code, got '%s'", args[0])
+			}
+
+			basePath := args[1]
+			for _, cfg := range rules {
+				rule := cfg.(*Rule)
+				if rule.Base == basePath {
+					return rules, c.Errf("Duplicate path: '%s'", basePath)
+				}
+			}
+
+			rule := NewRule(basePath, status)
+			rules = append(rules, rule)
+		default:
+			return rules, c.ArgErr()
+		}
+	}
+
+	return rules, nil
+}

vendor/github.com/mholt/caddy/caddyhttp/status/setup_test.go

@@ -0,0 +1,145 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package status
+
+import (
+	"testing"
+
+	"github.com/mholt/caddy"
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func TestSetup(t *testing.T) {
+	c := caddy.NewTestController("http", `status 404 /foo`)
+	err := setup(c)
+	if err != nil {
+		t.Errorf("Expected no errors, but got: %v", err)
+	}
+
+	mids := httpserver.GetConfig(c).Middleware()
+	if len(mids) == 0 {
+		t.Fatal("Expected middleware, had 0 instead")
+	}
+
+	handler := mids[0](httpserver.EmptyNext)
+	myHandler, ok := handler.(Status)
+	if !ok {
+		t.Fatalf("Expected handler to be type Status, got: %#v",
+			handler)
+	}
+
+	if !httpserver.SameNext(myHandler.Next, httpserver.EmptyNext) {
+		t.Error("'Next' field of handler was not set properly")
+	}
+
+	if len(myHandler.Rules) != 1 {
+		t.Errorf("Expected handler to have %d rule, has %d instead", 1, len(myHandler.Rules))
+	}
+}
+
+func TestStatusParse(t *testing.T) {
+	tests := []struct {
+		input     string
+		shouldErr bool
+		expected  []*Rule
+	}{
+		{`status`, true, []*Rule{}},
+		{`status /foo`, true, []*Rule{}},
+		{`status bar /foo`, true, []*Rule{}},
+		{`status 404 /foo bar`, true, []*Rule{}},
+		{`status 404 /foo`, false, []*Rule{
+			{Base: "/foo", StatusCode: 404},
+		},
+		},
+		{`status {
+		 }`,
+			true,
+			[]*Rule{},
+		},
+		{`status 404 {
+		 }`,
+			true,
+			[]*Rule{},
+		},
+		{`status 404 {
+			/foo
+			/foo
+		 }`,
+			true,
+			[]*Rule{},
+		},
+		{`status 404 {
+			404 /foo
+		 }`,
+			true,
+			[]*Rule{},
+		},
+		{`status 404 {
+			/foo
+			/bar
+		 }`,
+			false,
+			[]*Rule{
+				{Base: "/foo", StatusCode: 404},
+				{Base: "/bar", StatusCode: 404},
+			},
+		},
+	}
+
+	for i, test := range tests {
+		actual, err := statusParse(caddy.NewTestController("http",
+			test.input))
+
+		if err == nil && test.shouldErr {
+			t.Errorf("Test %d didn't error, but it should have", i)
+		} else if err != nil && !test.shouldErr {
+			t.Errorf("Test %d errored, but it shouldn't have; got '%v'",
+				i, err)
+		} else if err != nil && test.shouldErr {
+			continue
+		}
+
+		if len(actual) != len(test.expected) {
+			t.Fatalf("Test %d expected %d rules, but got %d",
+				i, len(test.expected), len(actual))
+		}
+
+		findRule := func(basePath string) (bool, *Rule) {
+			for _, cfg := range actual {
+				actualRule := cfg.(*Rule)
+
+				if actualRule.Base == basePath {
+					return true, actualRule
+				}
+			}
+
+			return false, nil
+		}
+
+		for _, expectedRule := range test.expected {
+			found, actualRule := findRule(expectedRule.Base)
+
+			if !found {
+				t.Errorf("Test %d: Missing rule for path '%s'",
+					i, expectedRule.Base)
+			}
+
+			if actualRule.StatusCode != expectedRule.StatusCode {
+				t.Errorf("Test %d: Expected status code %d for path '%s'. Got %d",
+					i, expectedRule.StatusCode, expectedRule.Base, actualRule.StatusCode)
+			}
+		}
+	}
+}

vendor/github.com/mholt/caddy/caddyhttp/status/status.go

@@ -0,0 +1,73 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package status is middleware for returning status code for requests
+package status
+
+import (
+	"net/http"
+
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+// Rule describes status rewriting rule
+type Rule struct {
+	// Base path. Request to this path and sub-paths will be answered with StatusCode
+	Base string
+
+	// Status code to return
+	StatusCode int
+
+	// Request matcher
+	httpserver.RequestMatcher
+}
+
+// NewRule creates new Rule.
+func NewRule(basePath string, status int) *Rule {
+	return &Rule{
+		Base:           basePath,
+		StatusCode:     status,
+		RequestMatcher: httpserver.PathMatcher(basePath),
+	}
+}
+
+// BasePath implements httpserver.HandlerConfig interface
+func (rule *Rule) BasePath() string {
+	return rule.Base
+}
+
+// Status is a middleware to return status code for request
+type Status struct {
+	Rules []httpserver.HandlerConfig
+	Next  httpserver.Handler
+}
+
+// ServeHTTP implements the httpserver.Handler interface
+func (status Status) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
+	if cfg := httpserver.ConfigSelector(status.Rules).Select(r); cfg != nil {
+		rule := cfg.(*Rule)
+
+		if rule.StatusCode < 400 {
+			// There's no ability to return response body --
+			// write the response status code in header and signal
+			// to other handlers that response is already handled
+			w.WriteHeader(rule.StatusCode)
+			return 0, nil
+		}
+
+		return rule.StatusCode, nil
+	}
+
+	return status.Next.ServeHTTP(w, r)
+}

vendor/github.com/mholt/caddy/caddyhttp/status/status_test.go

@@ -0,0 +1,90 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package status
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+func TestStatus(t *testing.T) {
+	status := Status{
+		Rules: []httpserver.HandlerConfig{
+			NewRule("/foo", http.StatusNotFound),
+			NewRule("/teapot", http.StatusTeapot),
+			NewRule("/foo/bar1", http.StatusInternalServerError),
+			NewRule("/temporary-redirected", http.StatusTemporaryRedirect),
+		},
+		Next: httpserver.HandlerFunc(urlPrinter),
+	}
+
+	tests := []struct {
+		path           string
+		statusExpected bool
+		status         int
+	}{
+		{"/foo", true, http.StatusNotFound},
+		{"/teapot", true, http.StatusTeapot},
+		{"/foo/bar", true, http.StatusNotFound},
+		{"/foo/bar1", true, http.StatusInternalServerError},
+		{"/someotherpath", false, 0},
+		{"/temporary-redirected", false, http.StatusTemporaryRedirect},
+	}
+
+	for i, test := range tests {
+		req, err := http.NewRequest("GET", test.path, nil)
+		if err != nil {
+			t.Fatalf("Test %d: Could not create HTTP request: %v",
+				i, err)
+		}
+
+		rec := httptest.NewRecorder()
+		actualStatus, err := status.ServeHTTP(rec, req)
+		if err != nil {
+			t.Fatalf("Test %d: Serving request failed with error %v",
+				i, err)
+		}
+
+		if test.statusExpected {
+			if test.status != actualStatus {
+				t.Errorf("Test %d: Expected status code %d, got %d",
+					i, test.status, actualStatus)
+			}
+			if rec.Body.String() != "" {
+				t.Errorf("Test %d: Expected empty body, got '%s'",
+					i, rec.Body.String())
+			}
+		} else {
+			if test.status != 0 { // Expecting status in response
+				if test.status != rec.Code {
+					t.Errorf("Test %d: Expected status code %d, got %d",
+						i, test.status, rec.Code)
+				}
+			} else if rec.Body.String() != test.path {
+				t.Errorf("Test %d: Expected body '%s', got '%s'",
+					i, test.path, rec.Body.String())
+			}
+		}
+	}
+}
+
+func urlPrinter(w http.ResponseWriter, r *http.Request) (int, error) {
+	fmt.Fprint(w, r.URL.String())
+	return 0, nil
+}