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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package curl
import (
"io"
"net/url"
"os/exec"
"runtime"
"github.com/kballard/go-shellquote"
)
type header struct {
key string
value string
}
type Command struct {
Path string
Method string
PrivateKey string
Certificate string
BodyFile string
url *url.URL
headers []header
rawArgs []string
}
func (c *Command) Args() []string {
var args []string
if c.PrivateKey != "" {
args = append(args, "--key", c.PrivateKey)
}
if c.Certificate != "" {
args = append(args, "--cert", c.Certificate)
}
if c.Method != "" {
args = append(args, "-X", c.Method)
}
for _, header := range c.headers {
args = append(args, "-H", header.key+": "+header.value)
}
if c.BodyFile != "" {
args = append(args, "--data-binary", "@"+c.BodyFile)
}
args = append(args, c.rawArgs...)
args = append(args, c.url.String())
return args
}
func (c *Command) String() string {
args := []string{c.Path}
args = append(args, c.Args()...)
return shellquote.Join(args...)
}
func (c *Command) Header(key, value string) {
c.headers = append(c.headers, header{key: key, value: value})
}
func (c *Command) Param(key, value string) {
query := c.url.Query()
query.Set(key, value)
c.url.RawQuery = query.Encode()
}
func (c *Command) Run(stdout, stderr io.Writer) error {
cmd := exec.Command(c.Path, c.Args()...)
cmd.Stdout = stdout
cmd.Stderr = stderr
if err := cmd.Start(); err != nil {
return err
}
return cmd.Wait()
}
func Post(url string) (*Command, error) { return curl("POST", url) }
func Get(url string) (*Command, error) { return curl("", url) }
func RawArgs(url string, args ...string) (*Command, error) {
c, err := curl("", url)
if err != nil {
return nil, err
}
c.rawArgs = args
return c, nil
}
func curl(method, rawurl string) (*Command, error) {
path := "curl"
if runtime.GOOS == "windows" {
path = "curl.exe"
}
realURL, err := url.Parse(rawurl)
if err != nil {
return nil, err
}
return &Command{
Path: path,
Method: method,
url: realURL,
}, nil
}
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