keychain

package module
Version: v0.0.0-...-cb50108 Latest Latest
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Published: Oct 11, 2018 License: MIT Imports: 3 Imported by: 0

README

Go Keychain

A library for accessing the Keychain for macOS and iOS in Go (golang).

Requires macOS 10.9 or greater and iOS 8 or greater.

import "github.com/keybase/go-keychain"

Usage

The API is meant to mirror the macOS/iOS Keychain API and is not necessarily idiomatic go.

Add Item
item := keychain.NewItem()
item.SetSecClass(keychain.SecClassGenericPassword)
item.SetService("MyService")
item.SetAccount("gabriel")
item.SetLabel("A label")
item.SetAccessGroup("A123456789.group.com.mycorp")
item.SetData([]byte("toomanysecrets"))
item.SetSynchronizable(keychain.SynchronizableNo)
item.SetAccessible(keychain.AccessibleWhenUnlocked)
err := keychain.AddItem(item)

if err == keychain.ErrorDuplicateItem {
  // Duplicate
}
Query Item

Query for multiple results, returning attributes:

query := keychain.NewItem()
query.SetSecClass(keychain.SecClassGenericPassword)
query.SetService(service)
query.SetAccount(account)
query.SetAccessGroup(accessGroup)
query.SetMatchLimit(keychain.MatchLimitAll)
query.SetReturnAttributes(true)
results, err := keychain.QueryItem(query)
if err != nil {
  // Error
} else {
  for _, r := range results {
    fmt.Printf("%#v\n", r)
  }
}

Query for a single result, returning data:

query := keychain.NewItem()
query.SetSecClass(keychain.SecClassGenericPassword)
query.SetService(service)
query.SetAccount(account)
query.SetAccessGroup(accessGroup)
query.SetMatchLimit(keychain.MatchLimitOne)
query.SetReturnData(true)
results, err := keychain.QueryItem(query)
if err != nil {
  // Error
} else if len(results) != 1 {
  // Not found
} else {
  password := string(results[0].Data)
}
Delete Item

Delete a generic password item with service and account:

item := keychain.NewItem()
item.SetSecClass(keychain.SecClassGenericPassword)
item.SetService(service)
item.SetAccount(account)
err := keychain.DeleteItem(item)
Other

There are some convenience methods for generic password:

// Create generic password item with service, account, label, password, access group
item := keychain.NewGenericPassword("MyService", "gabriel", "A label", []byte("toomanysecrets"), "A123456789.group.com.mycorp")
item.SetSynchronizable(keychain.SynchronizableNo)
item.SetAccessible(keychain.AccessibleWhenUnlocked)
err := keychain.AddItem(item)
if err == keychain.ErrorDuplicateItem {
  // Duplicate
}

accounts, err := keychain.GetGenericPasswordAccounts("MyService")
// Should have 1 account == "gabriel"

err := keychain.DeleteGenericPasswordItem("MyService", "gabriel")
if err == keychain.ErrorNotFound {
  // Not found
}
OS X

Creating a new keychain and add an item to it:


// Add a new key chain into ~/Application Support/Keychains, with the provided password
k, err := keychain.NewKeychain("mykeychain.keychain", "my keychain password")
if err != nil {
  // Error creating
}

// Create generic password item with service, account, label, password, access group
item := keychain.NewGenericPassword("MyService", "gabriel", "A label", []byte("toomanysecrets"), "A123456789.group.com.mycorp")
item.UseKeychain(k)
err := keychain.AddItem(item)
if err != nil {
  // Error creating
}

Using a Keychain at path:

k, err := keychain.NewWithPath("mykeychain.keychain")

Set a trusted applications for item (OS X only):

item := keychain.NewGenericPassword("MyService", "gabriel", "A label", []byte("toomanysecrets"), "A123456789.group.com.mycorp")
trustedApplications := []string{"/Applications/Mail.app"}
item.SetAccess(&keychain.Access{Label: "Mail", TrustedApplications: trustedApplications})
err := keychain.AddItem(item)

iOS

Bindable package in bind. iOS project in ios. Run that project to test iOS.

To re-generate framework:

(cd bind && gomobile bind -target=ios -tags=ios -o ../ios/bind.framework)

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func RandBytes

func RandBytes(length int) ([]byte, error)

RandBytes returns random bytes of length

func RandomID

func RandomID(prefix string) (string, error)

RandomID returns random ID (base32) string with prefix, using 256 bits as recommended by tptacek: https://gist.github.com/tqbf/be58d2d39690c3b366ad

Types

This section is empty.

Source Files

Directories

Path Synopsis

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