ntfy/cmd/app.go

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// Package cmd provides the ntfy CLI application
package cmd
import (
"fmt"
"github.com/urfave/cli/v2"
"github.com/urfave/cli/v2/altsrc"
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"heckel.io/ntfy/client"
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"heckel.io/ntfy/util"
"log"
"os"
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"strings"
)
// New creates a new CLI application
func New() *cli.App {
return &cli.App{
Name: "ntfy",
Usage: "Simple pub-sub notification service",
UsageText: "ntfy [OPTION..]",
HideVersion: true,
UseShortOptionHandling: true,
Reader: os.Stdin,
Writer: os.Stdout,
ErrWriter: os.Stderr,
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Action: execMainApp,
Before: initConfigFileInputSource("config", flagsServe), // DEPRECATED, see deprecation notice
Flags: flagsServe, // DEPRECATED, see deprecation notice
Commands: []*cli.Command{
cmdServe,
cmdPublish,
cmdSubscribe,
},
}
}
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func execMainApp(c *cli.Context) error {
log.Printf("\x1b[1;33mDeprecation notice: Please run the server using 'ntfy serve'; see 'ntfy -h' for help.\x1b[0m")
log.Printf("\x1b[1;33mThis way of running the server will be removed Feb 2022.\x1b[0m")
return execServe(c)
}
// initConfigFileInputSource is like altsrc.InitInputSourceWithContext and altsrc.NewYamlSourceFromFlagFunc, but checks
// if the config flag is exists and only loads it if it does. If the flag is set and the file exists, it fails.
func initConfigFileInputSource(configFlag string, flags []cli.Flag) cli.BeforeFunc {
return func(context *cli.Context) error {
configFile := context.String(configFlag)
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if context.IsSet(configFlag) && !util.FileExists(configFile) {
return fmt.Errorf("config file %s does not exist", configFile)
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} else if !context.IsSet(configFlag) && !util.FileExists(configFile) {
return nil
}
inputSource, err := altsrc.NewYamlSourceFromFile(configFile)
if err != nil {
return err
}
return altsrc.ApplyInputSourceValues(context, inputSource, flags)
}
}
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func expandTopicURL(s string) string {
if strings.HasPrefix(s, "http://") || strings.HasPrefix(s, "https://") {
return s
} else if strings.Contains(s, "/") {
return fmt.Sprintf("https://%s", s)
}
return fmt.Sprintf("%s/%s", client.DefaultBaseURL, s)
}
func collapseTopicURL(s string) string {
return strings.TrimPrefix(strings.TrimPrefix(s, "https://"), "http://")
}