-
-
Notifications
You must be signed in to change notification settings - Fork 174
/
archiverutils.go
97 lines (83 loc) · 2.97 KB
/
archiverutils.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
package nskeyedarchiver
import (
"bytes"
"encoding/json"
"fmt"
plist "howett.net/plist"
)
func toInterfaceSlice(stringSlice []string) []interface{} {
result := make([]interface{}, len(stringSlice))
for i, e := range stringSlice {
result[i] = e
}
return result
}
// toUidList type asserts a []interface{} to a []plist.UID by iterating through the list.
func toUidList(list []interface{}) []plist.UID {
l := len(list)
result := make([]plist.UID, l)
for i := 0; i < l; i++ {
result[i] = list[i].(plist.UID)
}
return result
}
// plistFromBytes decodes a binary or XML based PLIST using the amazing github.com/DHowett/go-plist library and returns an interface{} or propagates the error raised by the library.
func plistFromBytes(plistBytes []byte) (interface{}, error) {
var test interface{}
decoder := plist.NewDecoder(bytes.NewReader(plistBytes))
err := decoder.Decode(&test)
if err != nil {
return test, err
}
return test, nil
}
// ToPlist converts a given struct to a Plist using the
// github.com/DHowett/go-plist library. Make sure your struct is exported.
// It returns a string containing the plist.
func toPlist(data interface{}) (string, error) {
buf := &bytes.Buffer{}
encoder := plist.NewEncoder(buf)
err := encoder.Encode(data)
return buf.String(), err
}
func toBinaryPlist(data interface{}) ([]byte, error) {
buf := &bytes.Buffer{}
encoder := plist.NewBinaryEncoder(buf)
err := encoder.Encode(data)
return buf.Bytes(), err
}
// Print an object as JSON for debugging purposes, careful panics on error
func printAsJSON(obj interface{}) {
b, err := json.MarshalIndent(obj, "", " ")
if err != nil {
panic(fmt.Sprintf("Error while marshalling Json:%s", err))
}
fmt.Print(string(b))
}
func buildClassDict(classes ...interface{}) map[string]interface{} {
return map[string]interface{}{"$classes": classes, "$classname": classes[0]}
}
// verifyCorrectArchiver makes sure the nsKeyedArchived plist has all the right keys and values and returns an error otherwise
func verifyCorrectArchiver(nsKeyedArchiverData map[string]interface{}) error {
if val, ok := nsKeyedArchiverData[archiverKey]; !ok {
return fmt.Errorf("Invalid NSKeyedAchiverObject, missing key '%s'", archiverKey)
} else {
if stringValue := val.(string); stringValue != NsKeyedArchiver {
return fmt.Errorf("Invalid value: %s for key '%s', expected: '%s'", stringValue, archiverKey, NsKeyedArchiver)
}
}
if _, ok := nsKeyedArchiverData[topKey]; !ok {
return fmt.Errorf("Invalid NSKeyedAchiverObject, missing key '%s'", topKey)
}
if _, ok := nsKeyedArchiverData[objectsKey]; !ok {
return fmt.Errorf("Invalid NSKeyedAchiverObject, missing key '%s'", objectsKey)
}
if val, ok := nsKeyedArchiverData[versionKey]; !ok {
return fmt.Errorf("Invalid NSKeyedAchiverObject, missing key '%s'", versionKey)
} else {
if stringValue := val.(uint64); stringValue != versionValue {
return fmt.Errorf("Invalid value: %d for key '%s', expected: '%d'", stringValue, versionKey, versionValue)
}
}
return nil
}