106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
// SPDX-FileCopyrightText: 2024 Dan Anglin <d.n.i.anglin@gmail.com>
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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package executor
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import (
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"flag"
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"fmt"
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"strings"
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"codeflow.dananglin.me.uk/apollo/enbas/internal/client"
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"codeflow.dananglin.me.uk/apollo/enbas/internal/config"
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"codeflow.dananglin.me.uk/apollo/enbas/internal/utilities"
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)
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type LoginExecutor struct {
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*flag.FlagSet
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topLevelFlags TopLevelFlags
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instance string
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}
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func NewLoginExecutor(tlf TopLevelFlags, name, summary string) *LoginExecutor {
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command := LoginExecutor{
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FlagSet: flag.NewFlagSet(name, flag.ExitOnError),
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topLevelFlags: tlf,
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instance: "",
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}
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command.StringVar(&command.instance, flagInstance, "", "specify the instance that you want to login to.")
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command.Usage = commandUsageFunc(name, summary, command.FlagSet)
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return &command
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}
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func (c *LoginExecutor) Execute() error {
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var err error
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if c.instance == "" {
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return FlagNotSetError{flagText: flagInstance}
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}
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instance := c.instance
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if !strings.HasPrefix(instance, "https") || !strings.HasPrefix(instance, "http") {
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instance = "https://" + instance
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}
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for strings.HasSuffix(instance, "/") {
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instance = instance[:len(instance)-1]
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}
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credentials := config.Credentials{
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Instance: instance,
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}
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gtsClient := client.NewClient(credentials)
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if err := gtsClient.Register(); err != nil {
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return fmt.Errorf("unable to register the application; %w", err)
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}
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consentPageURL := gtsClient.AuthCodeURL()
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utilities.OpenLink(consentPageURL)
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consentMessageFormat := `
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You'll need to sign into your GoToSocial's consent page in order to generate the out-of-band token to continue with
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the application's login process. Your browser may have opened the link to the consent page already. If not, please
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copy and paste the link below to your browser:
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%s
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Once you have the code please copy and paste it below.
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`
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fmt.Printf(consentMessageFormat, consentPageURL)
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var code string
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fmt.Print("Out-of-band token: ")
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if _, err := fmt.Scanln(&code); err != nil {
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return fmt.Errorf("failed to read access code; %w", err)
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}
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if err := gtsClient.UpdateToken(code); err != nil {
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return fmt.Errorf("unable to update the client's access token; %w", err)
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}
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account, err := gtsClient.VerifyCredentials()
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if err != nil {
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return fmt.Errorf("unable to verify the credentials; %w", err)
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}
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loginName, err := config.SaveCredentials(c.topLevelFlags.ConfigDir, account.Username, gtsClient.Authentication)
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if err != nil {
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return fmt.Errorf("unable to save the authentication details; %w", err)
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}
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fmt.Printf("Successfully logged into %s\n", loginName)
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return nil
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}
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