67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
package tunnel
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import (
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"fmt"
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"net/url"
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"os"
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"path/filepath"
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"syscall"
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"github.com/cloudflare/cloudflared/cmd/cloudflared/config"
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"github.com/cloudflare/cloudflared/cmd/cloudflared/transfer"
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homedir "github.com/mitchellh/go-homedir"
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cli "gopkg.in/urfave/cli.v2"
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)
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const baseLoginURL = "https://dash.cloudflare.com/argotunnel"
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func login(c *cli.Context) error {
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path, ok, err := checkForExistingCert()
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if ok {
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fmt.Fprintf(os.Stdout, "You have an existing certificate at %s which login would overwrite.\nIf this is intentional, please move or delete that file then run this command again.", path)
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return nil
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} else if err != nil {
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return err
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}
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loginURL, err := url.Parse(baseLoginURL)
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if err != nil {
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// shouldn't happen, URL is hardcoded
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return err
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}
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_, err = transfer.Run(c, loginURL, "cert", path, false)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to write the certificate due to the following error:\n%v\n\nYour browser will download the certificate instead. You will have to manually\ncopy it to the following path:\n\n%s", err, path)
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return err
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}
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fmt.Fprintf(os.Stdout, "You have successfully logged in.\nIf you wish to copy your credentials to a server, they have been saved to:\n%s\n", path)
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return nil
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}
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func checkForExistingCert() (string, bool, error) {
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configPath, err := homedir.Expand(config.DefaultConfigDirs[0])
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if err != nil {
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return "", false, err
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}
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ok, err := config.FileExists(configPath)
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if !ok && err == nil {
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// create config directory if doesn't already exist
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err = os.Mkdir(configPath, 0700)
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}
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if err != nil {
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return "", false, err
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}
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path := filepath.Join(configPath, defaultCredentialFile)
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fileInfo, err := os.Stat(path)
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if err == nil && fileInfo.Size() > 0 {
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return path, true, nil
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}
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if err != nil && err.(*os.PathError).Err != syscall.ENOENT {
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return path, false, err
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}
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return path, false, nil
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}
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