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Server Side form validation 4: check email

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This commit is contained in:
Muyao CHEN 2024-07-01 13:47:52 +02:00
parent 87dfd26268
commit 6826634a01
4 changed files with 15 additions and 0 deletions
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2
go.mod
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@ -7,3 +7,5 @@ require github.com/go-chi/chi/v5 v5.0.14
require github.com/justinas/nosurf v1.1.1 require github.com/justinas/nosurf v1.1.1
require github.com/alexedwards/scs/v2 v2.8.0 require github.com/alexedwards/scs/v2 v2.8.0
require github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect

2
go.sum
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@ -1,5 +1,7 @@
github.com/alexedwards/scs/v2 v2.8.0 h1:h31yUYoycPuL0zt14c0gd+oqxfRwIj6SOjHdKRZxhEw= github.com/alexedwards/scs/v2 v2.8.0 h1:h31yUYoycPuL0zt14c0gd+oqxfRwIj6SOjHdKRZxhEw=
github.com/alexedwards/scs/v2 v2.8.0/go.mod h1:ToaROZxyKukJKT/xLcVQAChi5k6+Pn1Gvmdl7h3RRj8= github.com/alexedwards/scs/v2 v2.8.0/go.mod h1:ToaROZxyKukJKT/xLcVQAChi5k6+Pn1Gvmdl7h3RRj8=
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3dyBCFEj5IhUbnKptjxatkF07cF2ak3yi77so=
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
github.com/go-chi/chi/v5 v5.0.14 h1:PyEwo2Vudraa0x/Wl6eDRRW2NXBvekgfxyydcM0WGE0= github.com/go-chi/chi/v5 v5.0.14 h1:PyEwo2Vudraa0x/Wl6eDRRW2NXBvekgfxyydcM0WGE0=
github.com/go-chi/chi/v5 v5.0.14/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8= github.com/go-chi/chi/v5 v5.0.14/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
github.com/justinas/nosurf v1.1.1 h1:92Aw44hjSK4MxJeMSyDa7jwuI9GR2J/JCQiaKvXXSlk= github.com/justinas/nosurf v1.1.1 h1:92Aw44hjSK4MxJeMSyDa7jwuI9GR2J/JCQiaKvXXSlk=

10
internal/forms/forms.go
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@ -5,6 +5,8 @@ import (
"net/http" "net/http"
"net/url" "net/url"
"strings" "strings"
"github.com/asaskevich/govalidator"
) )
// Form creates a custom form struct, embeds a url.Values object // Form creates a custom form struct, embeds a url.Values object
@ -51,3 +53,11 @@ func (f *Form) MinLength(field string, length int, r *http.Request) bool {
} }
return true return true
} }
// IsEmail checks the email address
func (f *Form) IsEmail(field string, r *http.Request) {
value := r.Form.Get(field)
if !govalidator.IsEmail(value) {
f.Errors.Add(field, "Invalid email address")
}
}

1
internal/handlers/handlers.go
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@ -101,6 +101,7 @@ func (m *Repository) PostMakeReservation(w http.ResponseWriter, r *http.Request)
form.Required("first_name", "last_name", "email") form.Required("first_name", "last_name", "email")
form.MinLength("first_name", 2, r) form.MinLength("first_name", 2, r)
form.IsEmail("email", r)
if !form.Valid() { if !form.Valid() {
data := make(map[string]interface{}) data := make(map[string]interface{})