mirror of
https://github.com/pocketbase/pocketbase.git
synced 2024-11-25 01:16:21 +02:00
88 lines
3.0 KiB
Go
88 lines
3.0 KiB
Go
package forms
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import (
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"regexp"
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"strings"
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"time"
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validation "github.com/go-ozzo/ozzo-validation/v4"
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"github.com/golang-jwt/jwt/v4"
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"github.com/pocketbase/pocketbase/core"
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)
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var privateKeyRegex = regexp.MustCompile(`(?m)-----BEGIN PRIVATE KEY----[\s\S]+-----END PRIVATE KEY-----`)
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// AppleClientSecretCreate is a form struct to generate a new Apple Client Secret.
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//
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// Reference: https://developer.apple.com/documentation/sign_in_with_apple/generate_and_validate_tokens
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type AppleClientSecretCreate struct {
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app core.App
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// ClientId is the identifier of your app (aka. Service ID).
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ClientId string `form:"clientId" json:"clientId"`
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// TeamId is a 10-character string associated with your developer account
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// (usually could be found next to your name in the Apple Developer site).
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TeamId string `form:"teamId" json:"teamId"`
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// KeyId is a 10-character key identifier generated for the "Sign in with Apple"
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// private key associated with your developer account.
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KeyId string `form:"keyId" json:"keyId"`
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// PrivateKey is the private key associated to your app.
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// Usually wrapped within -----BEGIN PRIVATE KEY----- X -----END PRIVATE KEY-----.
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PrivateKey string `form:"privateKey" json:"privateKey"`
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// Duration specifies how long the generated JWT should be considered valid.
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// The specified value must be in seconds and max 15777000 (~6months).
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Duration int `form:"duration" json:"duration"`
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}
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// NewAppleClientSecretCreate creates a new [AppleClientSecretCreate] form with initializer
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// config created from the provided [core.App] instances.
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func NewAppleClientSecretCreate(app core.App) *AppleClientSecretCreate {
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form := &AppleClientSecretCreate{
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app: app,
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}
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return form
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}
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// Validate makes the form validatable by implementing [validation.Validatable] interface.
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func (form *AppleClientSecretCreate) Validate() error {
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return validation.ValidateStruct(form,
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validation.Field(&form.ClientId, validation.Required),
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validation.Field(&form.TeamId, validation.Required, validation.Length(10, 10)),
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validation.Field(&form.KeyId, validation.Required, validation.Length(10, 10)),
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validation.Field(&form.PrivateKey, validation.Required, validation.Match(privateKeyRegex)),
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validation.Field(&form.Duration, validation.Required, validation.Min(1), validation.Max(15777000)),
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)
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}
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// Submit validates the form and returns a new Apple Client Secret JWT.
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func (form *AppleClientSecretCreate) Submit() (string, error) {
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if err := form.Validate(); err != nil {
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return "", err
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}
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signKey, err := jwt.ParseECPrivateKeyFromPEM([]byte(strings.TrimSpace(form.PrivateKey)))
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if err != nil {
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return "", err
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}
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now := time.Now()
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claims := &jwt.RegisteredClaims{
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Audience: jwt.ClaimStrings{"https://appleid.apple.com"},
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Subject: form.ClientId,
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Issuer: form.TeamId,
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IssuedAt: jwt.NewNumericDate(now),
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ExpiresAt: jwt.NewNumericDate(now.Add(time.Duration(form.Duration) * time.Second)),
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}
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token := jwt.NewWithClaims(jwt.SigningMethodES256, claims)
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token.Header["kid"] = form.KeyId
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return token.SignedString(signKey)
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}
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