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php-meta.go
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/
php-meta.go
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package models
import (
"encoding/json"
"fmt"
"github.com/yvasiyarov/php_session_decoder/php_serialize"
)
type phpMeta map[string]interface{}
type phpUsers map[string]phpMeta
type phpNodes map[string]phpUsers
type phpLocalMeta map[string]phpNodes
type PhpUserMeta struct {
NodeName string
UserName string
Meta map[string]interface{}
}
func UserMetasFromPhpData(serializedData []byte) (metas []*PhpUserMeta, outErr error) {
defer func() {
if e := recover(); e != nil {
outErr = e.(error)
}
}()
decoder := php_serialize.NewUnSerializer(string(serializedData))
if phpValue, err := decoder.Decode(); err == nil {
m := phpValueToMapString(phpValue)
if ms, ok := m.(map[string]interface{}); ok {
metas, outErr = Map2LocalMeta(ms)
} else {
outErr = fmt.Errorf("cannot cast phpValue")
}
} else {
outErr = err
}
return
}
func Map2LocalMeta(m map[string]interface{}) (out []*PhpUserMeta, e error) {
j, e := json.Marshal(m)
if e != nil {
return nil, e
}
var localMeta phpLocalMeta
e = json.Unmarshal(j, &localMeta)
if e != nil {
return nil, e
}
for path, nodes := range localMeta {
for _, users := range nodes {
for plugin, metas := range users {
if plugin == "users_meta" {
out = append(out, &PhpUserMeta{
NodeName: path,
Meta: metas,
})
}
}
}
}
return
}
func phpValueToMapString(obj interface{}) interface{} {
out := make(map[string]interface{})
if arr, ok := obj.(php_serialize.PhpArray); ok {
for k, v := range arr {
key := k.(string)
out[key] = phpValueToMapString(v)
}
return out
} else {
return obj
}
}