/
pkginfo.go
65 lines (58 loc) · 1.23 KB
/
pkginfo.go
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package main
import (
"bytes"
alpm "github.com/remyoudompheng/go-alpm"
"io"
"net/http"
)
// BuildPkgInfo produces information about a package.
func BuildPkgInfo(pkgname, dbname string) (resp []byte, er error) {
alpmHandleLock.Lock()
defer alpmHandleLock.Unlock()
var (
pkg *alpm.Package
db *alpm.Db
)
h := getAlpm()
switch dbname {
case "", "local":
dbname = "local"
db, er = h.LocalDb()
default:
db, er = h.SyncDbByName(dbname)
}
if er != nil {
return
}
pkg, er = db.PkgByName(pkgname)
if er != nil {
return
}
s, er := Execute("pkginfo", CommonData{}, map[string]interface{}{
"Package": pkg,
"Repo": dbname,
})
return s, er
}
// HandlePkgInfo displays a package metadata.
func HandlePkgInfo(resp http.ResponseWriter, req *http.Request) {
logRequest(req)
defer func() {
if x := recover(); x != nil {
PanicPage(resp, x)
}
}()
er := req.ParseForm()
if er != nil {
ErrorPage(resp, CommonData{}, http.StatusInternalServerError, er)
return
}
pkgname := req.Form.Get("pkg")
dbname := req.Form.Get("db")
respBytes, er := BuildPkgInfo(pkgname, dbname)
if er == nil {
io.Copy(resp, bytes.NewBuffer(respBytes))
} else {
ErrorPage(resp, CommonData{}, http.StatusInternalServerError, er)
}
}