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@@ -7,6 +7,7 @@ package auth
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import (
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"net/http"
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"reflect"
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+ "strings"
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"github.com/codegangsta/martini"
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@@ -17,11 +18,59 @@ import (
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)
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type RegisterForm struct {
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- UserName string `form:"username" binding:"Required;AlphaDash;MinSize(5);MaxSize(30)"`
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+ Username string `form:"username" binding:"Required;AlphaDash;MinSize(5);MaxSize(30)"`
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Email string `form:"email" binding:"Required;Email;MaxSize(50)"`
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Password string `form:"passwd" binding:"Required;MinSize(6);MaxSize(30)"`
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}
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+func getMinMaxSize(field reflect.StructField) string {
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+ for _, rule := range strings.Split(field.Tag.Get("binding"), ";") {
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+ if strings.HasPrefix(rule, "MinSize(") || strings.HasPrefix(rule, "MaxSize(") {
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+ return rule[8 : len(rule)-1]
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+ }
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+ }
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+ return ""
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+}
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+
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+func validate(errors *binding.Errors, data base.TmplData, form interface{}) {
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+ typ := reflect.TypeOf(form)
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+ val := reflect.ValueOf(form)
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+
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+ if typ.Kind() == reflect.Ptr {
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+ typ = typ.Elem()
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+ val = val.Elem()
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+ }
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+
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+ for i := 0; i < typ.NumField(); i++ {
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+ field := typ.Field(i)
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+
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+ fieldName := field.Tag.Get("form")
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+ // Allow ignored fields in the struct
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+ if fieldName == "-" {
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+ continue
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+ }
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+
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+ if err, ok := errors.Fields[field.Name]; ok {
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+ data["Err_"+field.Name] = true
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+ switch err {
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+ case binding.RequireError:
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+ data["ErrorMsg"] = field.Name + " cannot be empty"
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+ case binding.AlphaDashError:
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+ data["ErrorMsg"] = field.Name + " must be valid alpha or numeric or dash(-_) characters"
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+ case binding.MinSizeError:
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+ data["ErrorMsg"] = field.Name + " must contain at least has " + getMinMaxSize(field) + " characters"
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+ case binding.MaxSizeError:
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+ data["ErrorMsg"] = field.Name + " must contain at most has " + getMinMaxSize(field) + " characters"
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+ case binding.EmailError:
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+ data["ErrorMsg"] = field.Name + " is not valid"
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+ default:
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+ data["ErrorMsg"] = "Unknown error: " + err
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+ }
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+ return
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+ }
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+ }
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+}
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+
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func (r *RegisterForm) Validate(errors *binding.Errors, req *http.Request, context martini.Context) {
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if req.Method == "GET" || errors.Count() == 0 {
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return
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@@ -38,53 +87,7 @@ func (r *RegisterForm) Validate(errors *binding.Errors, req *http.Request, conte
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return
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}
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- if err, ok := errors.Fields["UserName"]; ok {
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- data["Err_Username"] = true
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- switch err {
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- case binding.RequireError:
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- data["ErrorMsg"] = "Username cannot be empty"
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- case binding.AlphaDashError:
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- data["ErrorMsg"] = "Username must be valid alpha or numeric or dash(-_) characters"
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- case binding.MinSizeError:
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- data["ErrorMsg"] = "Username at least has 5 characters"
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- case binding.MaxSizeError:
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- data["ErrorMsg"] = "Username at most has 30 characters"
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- default:
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- data["ErrorMsg"] = "Unknown error: " + err
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- }
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- return
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- }
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-
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- if err, ok := errors.Fields["Email"]; ok {
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- data["Err_Email"] = true
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- switch err {
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- case binding.RequireError:
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- data["ErrorMsg"] = "E-mail address cannot be empty"
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- case binding.EmailError:
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- data["ErrorMsg"] = "E-mail address is not valid"
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- case binding.MaxSizeError:
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- data["ErrorMsg"] = "E-mail address at most has 50 characters"
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- default:
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- data["ErrorMsg"] = "Unknown error: " + err
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- }
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- return
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- }
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-
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- if err, ok := errors.Fields["Password"]; ok {
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- data["Err_Passwd"] = true
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- switch err {
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- case binding.RequireError:
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- data["ErrorMsg"] = "Password cannot be empty"
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- case binding.MinSizeError:
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- data["ErrorMsg"] = "Password at least has 6 characters"
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- case binding.MaxSizeError:
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- data["ErrorMsg"] = "Password at most has 30 characters"
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- default:
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- data["ErrorMsg"] = "Unknown error: " + err
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- }
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- return
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- }
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-
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+ validate(errors, data, r)
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}
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// AssignForm assign form values back to the template data.
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