From c601bb794bc50c8cd6922bec75273b59dbba15db Mon Sep 17 00:00:00 2001
From: Code2qing <qingjianlong520@gmail.com>
Date: Thu, 10 Nov 2022 09:34:48 +0800
Subject: [PATCH] feat(123): support mail login (close #2218 pr #2276)

---
 drivers/123/util.go | 19 +++++++++++++++----
 pkg/utils/email.go  |  9 +++++++++
 2 files changed, 24 insertions(+), 4 deletions(-)
 create mode 100644 pkg/utils/email.go

diff --git a/drivers/123/util.go b/drivers/123/util.go
index 6d27f8f4..cfb225cf 100644
--- a/drivers/123/util.go
+++ b/drivers/123/util.go
@@ -6,6 +6,7 @@ import (
 	"net/http"
 
 	"github.com/alist-org/alist/v3/drivers/base"
+	"github.com/alist-org/alist/v3/pkg/utils"
 	"github.com/go-resty/resty/v2"
 	jsoniter "github.com/json-iterator/go"
 )
@@ -13,14 +14,24 @@ import (
 // do others that not defined in Driver interface
 
 func (d *Pan123) login() error {
+	var body base.Json
 	url := "https://www.123pan.com/api/user/sign_in"
+	if utils.IsEmailFormat(d.Username) {
+		body = base.Json{
+			"mail":     d.Username,
+			"password": d.Password,
+			"type":     2,
+		}
+	} else {
+		body = base.Json{
+			"passport": d.Username,
+			"password": d.Password,
+		}
+	}
 	var resp TokenResp
 	_, err := base.RestyClient.R().
 		SetResult(&resp).
-		SetBody(base.Json{
-			"passport": d.Username,
-			"password": d.Password,
-		}).Post(url)
+		SetBody(body).Post(url)
 	if err != nil {
 		return err
 	}
diff --git a/pkg/utils/email.go b/pkg/utils/email.go
new file mode 100644
index 00000000..833a7039
--- /dev/null
+++ b/pkg/utils/email.go
@@ -0,0 +1,9 @@
+package utils
+
+import "regexp"
+
+func IsEmailFormat(email string) bool {
+	pattern := `^[0-9a-z][_.0-9a-z-]{0,31}@([0-9a-z][0-9a-z-]{0,30}[0-9a-z]\.){1,4}[a-z]{2,4}$`
+	reg := regexp.MustCompile(pattern)
+	return reg.MatchString(email)
+}