replace zxq.co/ripple/hanayo

vendor/github.com/johnniedoe/contrib/cors/config.go

@@ -0,0 +1,109 @@
+package cors
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type settings struct {
+	allowAllOrigins   bool
+	allowedOriginFunc func(string) bool
+	allowedOrigins    []string
+	allowedMethods    []string
+	allowedHeaders    []string
+	exposedHeaders    []string
+	normalHeaders     http.Header
+	preflightHeaders  http.Header
+}
+
+func newSettings(c Config) *settings {
+	if err := c.Validate(); err != nil {
+		panic(err.Error())
+	}
+	return &settings{
+		allowedOriginFunc: c.AllowOriginFunc,
+		allowAllOrigins:   c.AllowAllOrigins,
+		allowedOrigins:    c.AllowedOrigins,
+		allowedMethods:    distinct(c.AllowedMethods),
+		allowedHeaders:    distinct(c.AllowedHeaders),
+		normalHeaders:     generateNormalHeaders(c),
+		preflightHeaders:  generatePreflightHeaders(c),
+	}
+}
+
+func (c *settings) validateOrigin(origin string) (string, bool) {
+	if c.allowAllOrigins {
+		return "*", true
+	}
+	if c.allowedOriginFunc != nil {
+		return origin, c.allowedOriginFunc(origin)
+	}
+	for _, value := range c.allowedOrigins {
+		if value == origin {
+			return origin, true
+		}
+	}
+	return "", false
+}
+
+func (c *settings) validateMethod(method string) bool {
+	// TODO!!!
+	return true
+}
+
+func (c *settings) validateHeader(header string) bool {
+	// TODO!!!
+	return true
+}
+
+func generateNormalHeaders(c Config) http.Header {
+	headers := make(http.Header)
+	if c.AllowCredentials {
+		headers.Set("Access-Control-Allow-Credentials", "true")
+	}
+	if len(c.ExposedHeaders) > 0 {
+		headers.Set("Access-Control-Expose-Headers", strings.Join(c.ExposedHeaders, ", "))
+	}
+	return headers
+}
+
+func generatePreflightHeaders(c Config) http.Header {
+	headers := make(http.Header)
+	if c.AllowCredentials {
+		headers.Set("Access-Control-Allow-Credentials", "true")
+	}
+	if len(c.AllowedMethods) > 0 {
+		headers.Set("Access-Control-Allow-Methods", strings.Join(c.AllowedMethods, ", "))
+	}
+	if len(c.AllowedHeaders) > 0 {
+		headers.Set("Access-Control-Allow-Headers", strings.Join(c.AllowedHeaders, ", "))
+	}
+	if c.MaxAge > time.Duration(0) {
+		headers.Set("Access-Control-Max-Age", strconv.FormatInt(int64(c.MaxAge/time.Second), 10))
+	}
+	return headers
+}
+
+func distinct(s []string) []string {
+	m := map[string]bool{}
+	for _, v := range s {
+		if _, seen := m[v]; !seen {
+			s[len(m)] = v
+			m[v] = true
+		}
+	}
+	return s[:len(m)]
+}
+
+func parse(content string) []string {
+	if len(content) == 0 {
+		return nil
+	}
+	parts := strings.Split(content, ",")
+	for i := 0; i < len(parts); i++ {
+		parts[i] = strings.TrimSpace(parts[i])
+	}
+	return parts
+}

vendor/github.com/johnniedoe/contrib/cors/cors.go

@@ -0,0 +1,145 @@
+package cors
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Config struct {
+	AbortOnError    bool
+	AllowAllOrigins bool
+
+	// AllowedOrigins is a list of origins a cross-domain request can be executed from.
+	// If the special "*" value is present in the list, all origins will be allowed.
+	// Default value is ["*"]
+	AllowedOrigins []string
+
+	// AllowOriginFunc is a custom function to validate the origin. It take the origin
+	// as argument and returns true if allowed or false otherwise. If this option is
+	// set, the content of AllowedOrigins is ignored.
+	AllowOriginFunc func(origin string) bool
+
+	// AllowedMethods is a list of methods the client is allowed to use with
+	// cross-domain requests. Default value is simple methods (GET and POST)
+	AllowedMethods []string
+
+	// AllowedHeaders is list of non simple headers the client is allowed to use with
+	// cross-domain requests.
+	// If the special "*" value is present in the list, all headers will be allowed.
+	// Default value is [] but "Origin" is always appended to the list.
+	AllowedHeaders []string
+
+	// ExposedHeaders indicates which headers are safe to expose to the API of a CORS
+	// API specification
+	ExposedHeaders []string
+
+	// AllowCredentials indicates whether the request can include user credentials like
+	// cookies, HTTP authentication or client side SSL certificates.
+	AllowCredentials bool
+
+	// MaxAge indicates how long (in seconds) the results of a preflight request
+	// can be cached
+	MaxAge time.Duration
+}
+
+func (c *Config) AddAllowedMethods(methods ...string) {
+	c.AllowedMethods = append(c.AllowedMethods, methods...)
+}
+
+func (c *Config) AddAllowedHeaders(headers ...string) {
+	c.AllowedHeaders = append(c.AllowedHeaders, headers...)
+}
+
+func (c *Config) AddExposedHeaders(headers ...string) {
+	c.ExposedHeaders = append(c.ExposedHeaders, headers...)
+}
+
+func (c Config) Validate() error {
+	if c.AllowAllOrigins && (c.AllowOriginFunc != nil || len(c.AllowedOrigins) > 0) {
+		return errors.New("conflict settings: all origins are allowed. AllowOriginFunc or AllowedOrigins is not needed")
+	}
+	if !c.AllowAllOrigins && c.AllowOriginFunc == nil && len(c.AllowedOrigins) == 0 {
+		return errors.New("conflict settings: all origins disabled")
+	}
+	if c.AllowOriginFunc != nil && len(c.AllowedOrigins) > 0 {
+		return errors.New("conflict settings: if a allow origin func is provided, AllowedOrigins is not needed")
+	}
+	for _, origin := range c.AllowedOrigins {
+		if !strings.HasPrefix(origin, "http://") && !strings.HasPrefix(origin, "https://") {
+			return errors.New("bad origin: origins must include http:// or https://")
+		}
+	}
+	return nil
+}
+
+var defaultConfig = Config{
+	AbortOnError:    false,
+	AllowAllOrigins: true,
+	AllowedMethods:  []string{"GET", "POST", "PUT", "PATCH", "HEAD"},
+	AllowedHeaders:  []string{"Content-Type"},
+	//ExposedHeaders:   "",
+	AllowCredentials: false,
+	MaxAge:           12 * time.Hour,
+}
+
+func DefaultConfig() Config {
+	cp := defaultConfig
+	return cp
+}
+
+func Default() gin.HandlerFunc {
+	return New(defaultConfig)
+}
+
+func New(config Config) gin.HandlerFunc {
+	s := newSettings(config)
+
+	// Algorithm based in http://www.html5rocks.com/static/images/cors_server_flowchart.png
+	return func(c *gin.Context) {
+		origin := c.Request.Header.Get("Origin")
+		if len(origin) == 0 {
+			return
+		}
+		origin, valid := s.validateOrigin(origin)
+		if valid {
+			if c.Request.Method == "OPTIONS" {
+				valid = handlePreflight(c, s)
+			} else {
+				valid = handleNormal(c, s)
+			}
+		}
+
+		if !valid {
+			if config.AbortOnError {
+				c.AbortWithStatus(http.StatusForbidden)
+			}
+			return
+		}
+		c.Header("Access-Control-Allow-Origin", origin)
+	}
+}
+
+func handlePreflight(c *gin.Context, s *settings) bool {
+	c.AbortWithStatus(200)
+	if !s.validateMethod(c.Request.Header.Get("Access-Control-Request-Method")) {
+		return false
+	}
+	if !s.validateHeader(c.Request.Header.Get("Access-Control-Request-Header")) {
+		return false
+	}
+	for key, value := range s.preflightHeaders {
+		c.Writer.Header()[key] = value
+	}
+	return true
+}
+
+func handleNormal(c *gin.Context, s *settings) bool {
+	for key, value := range s.normalHeaders {
+		c.Writer.Header()[key] = value
+	}
+	return true
+}

vendor/github.com/johnniedoe/contrib/cors/cors_test.go

@@ -0,0 +1,104 @@
+package cors
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+)
+
+func performRequest(r http.Handler, method, path string) *httptest.ResponseRecorder {
+	req, _ := http.NewRequest(method, path, nil)
+	w := httptest.NewRecorder()
+	r.ServeHTTP(w, req)
+	return w
+}
+
+func TestBadConfig(t *testing.T) {
+	assert.Panics(t, func() { New(Options{}) })
+	assert.Panics(t, func() {
+		New(Options{
+			AllowAllOrigins: true,
+			AllowedOrigins:  []string{"http://google.com"},
+		})
+	})
+	assert.Panics(t, func() {
+		New(Options{
+			AllowAllOrigins: true,
+			AllowOriginFunc: func(origin string) bool { return false },
+		})
+	})
+	assert.Panics(t, func() {
+		New(Options{
+			AllowedOrigins:  []string{"http://google.com"},
+			AllowOriginFunc: func(origin string) bool { return false },
+		})
+	})
+	assert.Panics(t, func() {
+		New(Options{
+			AllowedOrigins: []string{"google.com"},
+		})
+	})
+}
+
+func TestDeny0(t *testing.T) {
+	called := false
+
+	router := gin.Default()
+	router.Use(New(Options{
+		AllowedOrigins: []string{"http://example.com"},
+	}))
+	router.GET("/", func(c *gin.Context) {
+		called = true
+	})
+
+	w := httptest.NewRecorder()
+	req, _ := http.NewRequest("GET", "/", nil)
+	req.Header.Set("Origin", "https://example.com")
+	router.ServeHTTP(w, req)
+
+	assert.True(t, called)
+	assert.NotContains(t, w.Header(), "Access-Control")
+}
+
+func TestDenyAbortOnError(t *testing.T) {
+	called := false
+
+	router := gin.Default()
+	router.Use(New(Options{
+		AbortOnError:   true,
+		AllowedOrigins: []string{"http://example.com"},
+	}))
+	router.GET("/", func(c *gin.Context) {
+		called = true
+	})
+
+	w := httptest.NewRecorder()
+	req, _ := http.NewRequest("GET", "/", nil)
+	req.Header.Set("Origin", "https://example.com")
+	router.ServeHTTP(w, req)
+
+	assert.False(t, called)
+	assert.NotContains(t, w.Header(), "Access-Control")
+}
+
+func TestDeny2(t *testing.T) {
+
+}
+func TestDeny3(t *testing.T) {
+
+}
+
+func TestPasses0(t *testing.T) {
+
+}
+
+func TestPasses1(t *testing.T) {
+
+}
+
+func TestPasses2(t *testing.T) {
+
+}