New feature: Auth support for social networks, dropbox, amazon and so on. Untested

https://github.com/iris-contrib/goth/ is the main package which has been
converted to work with Iris from the ...
https://github.com/markbates/goth/ . Not yet tested on real application.

context.go

@@ -11,6 +11,16 @@ import (
 	"encoding/json"
 	"encoding/xml"
 	"fmt"
+	"github.com/iris-contrib/formBinder"
+	"github.com/iris-contrib/goth"
+	"github.com/iris-contrib/goth/gothic"
+	"github.com/kataras/iris/config"
+	"github.com/kataras/iris/context"
+	"github.com/kataras/iris/errors"
+	"github.com/kataras/iris/sessions/store"
+	"github.com/kataras/iris/utils"
+	"github.com/klauspost/compress/gzip"
+	"github.com/valyala/fasthttp"
 	"html/template"
 	"io"
 	"net"
@@ -22,15 +32,6 @@ import (
 	"strings"
 	"sync"
 	"time"
-
-	"github.com/iris-contrib/formBinder"
-	"github.com/kataras/iris/config"
-	"github.com/kataras/iris/context"
-	"github.com/kataras/iris/errors"
-	"github.com/kataras/iris/sessions/store"
-	"github.com/kataras/iris/utils"
-	"github.com/klauspost/compress/gzip"
-	"github.com/valyala/fasthttp"
 )
 
 const (
@@ -781,3 +782,16 @@ func (ctx *Context) SendMail(subject string, body string, to ...string) error {
 func (ctx *Context) Log(format string, a ...interface{}) {
 	ctx.framework.Logger.Printf(format, a...)
 }
+
+/* Auth */
+
+// CompleteUserAuth does what it says on the tin. It completes the authentication
+// process and fetches all of the basic information about the user from the provider.
+//
+// It expects to be able to get the name of the provider from the named parameters
+// as either "provider" or ":provider".
+//
+// See https://github.com/iris-contrib/goth/examples/main.go to see this in action.
+func (ctx *Context) CompleteUserAuth() (goth.User, error) {
+	return gothic.CompleteUserAuth(ctx)
+}

context/context.go

@@ -2,12 +2,12 @@ package context
 
 import (
 	"bufio"
+	"github.com/iris-contrib/goth"
+	"github.com/kataras/iris/sessions/store"
+	"github.com/valyala/fasthttp"
 	"html/template"
 	"io"
 	"time"
-
-	"github.com/kataras/iris/sessions/store"
-	"github.com/valyala/fasthttp"
 )
 
 type (
@@ -18,6 +18,7 @@ type (
 		IContextBinder
 		IContextRequest
 		IContextResponse
+		IContextAuth
 		SendMail(string, string, ...string) error
 		Log(string, ...interface{})
 		Reset(*fasthttp.RequestCtx)
@@ -131,4 +132,16 @@ type (
 		Session() store.IStore
 		SessionDestroy()
 	}
+
+	// IContextAuth handles the authentication/authorization
+	IContextAuth interface {
+		// CompleteUserAuth does what it says on the tin. It completes the authentication
+		// process and fetches all of the basic information about the user from the provider.
+		//
+		// It expects to be able to get the name of the provider from the named parameters
+		// as either "provider" or ":provider".
+		//
+		// See https://github.com/iris-contrib/goth/examples/main.go to see this in action.
+		CompleteUserAuth() (goth.User, error)
+	}
 )

iris.go

@@ -59,10 +59,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/kataras/iris/errors"
+	"github.com/iris-contrib/goth/gothic"
-
 	"github.com/kataras/iris/config"
 	"github.com/kataras/iris/context"
+	"github.com/kataras/iris/errors"
 	"github.com/kataras/iris/utils"
 	"github.com/valyala/fasthttp"
 )
@@ -568,6 +568,18 @@ func (s *Framework) TemplateString(templateFile string, pageContext interface{},
 	return res
 }
 
+// BeginAuthHandler is a convienence handler for starting the authentication process.
+// It expects to be able to get the name of the provider from the named parameters
+// as either "provider" or ":provider".
+//
+// BeginAuthHandler will redirect the user to the appropriate authentication end-point
+// for the requested provider.
+//
+// See https://github.com/iris-contrib/goth/examples/main.go to see this in action.
+func BeginAuthHandler(ctx *Context) {
+	gothic.BeginAuthHandler(ctx)
+}
+
 // -------------------------------------------------------------------------------------
 // -------------------------------------------------------------------------------------
 // ----------------------------------MuxAPI implementation------------------------------