/
packagist.go
120 lines (99 loc) · 2.54 KB
/
packagist.go
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package util
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"strconv"
)
type Packagist struct {
repoUrl string
apiUrl string
userAgent string
}
func NewPackagist(repoUrl string, apiUrl string, userAgent string) (packagist *Packagist) {
return &Packagist{
repoUrl: repoUrl,
apiUrl: apiUrl,
userAgent: userAgent,
}
}
type Hashes struct {
SHA256 string `json:"sha256"`
}
type Packages struct {
NotifyBatch string `json:"notify-batch"`
ProviderIncludes map[string]Hashes `json:"provider-includes"`
}
func (packagist *Packagist) GetPackagesJSON() (body []byte, lastModified string, err error) {
url := packagist.repoUrl + "packages.json"
client := http.Client{}
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return
}
req.Header.Add("User-Agent", packagist.userAgent)
resp, err := client.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = fmt.Errorf("Get %s failed with code %d", url, resp.StatusCode)
return
}
lastModified = resp.Header["Last-Modified"][0]
body, err = ioutil.ReadAll(resp.Body)
return
}
func (packagist *Packagist) Get(path string) (content []byte, err error) {
url := packagist.repoUrl + path
content, err = GetBody(url)
return
}
func (packagist *Packagist) GetMetadataChanges(lastTimestamp string) (changes Changes, err error) {
url := packagist.apiUrl + "metadata/changes.json?since=" + lastTimestamp
content, err := GetBody(url)
if err != nil {
return
}
// JSON Decode
err = json.Unmarshal(content, &changes)
return
}
func (packagist *Packagist) GetInitTimestamp() (timestamp string, err error) {
url := packagist.apiUrl + "metadata/changes.json"
client := http.Client{}
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return
}
req.Header.Add("User-Agent", packagist.userAgent)
resp, err := client.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return
}
// JSON Decode
changesJson := make(map[string]interface{})
err = json.Unmarshal(body, &changesJson)
if err != nil {
return
}
timestamp = strconv.FormatInt(int64(changesJson["timestamp"].(float64)), 10)
return
}
func (packagist *Packagist) GetAllPackages() (content []byte, err error) {
url := packagist.apiUrl + "packages/list.json"
content, err = GetBody(url)
return
}
func (packagist *Packagist) GetPackage(packageName string) (content []byte, err error) {
url := packagist.apiUrl + "p2/" + packageName + ".json"
content, err = GetBody(url)
return
}