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 Go to latest Published: Jan 28, 2019 License: MIT Imports: 40 Imported by: 0

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My util library

Install

$ go get -u github.com/txthinking/x

License

Licensed under The MIT License

Documentation

Index

Constants

View Source 
const AES256KeyLength = 32

AES256KeyLength is the length of key for AES 256 crypt

View Source 
const MailgunAPIURL = "https://api.mailgun.net/v3"

MailgunAPIURL is the base url of maingun api

Variables

View Source 
var DefaultDial = &Dial{
	Timeout: 10 * time.Second,
}

Functions

func AESCBCDecrypt 

func AESCBCDecrypt(c, k []byte) ([]byte, error)

AESCBCDecrypt decrypt c with given k k should be 128/256 bits, otherwise it will append empty data or cut until 256 bits First 16 bytes of cipher data is the IV.

func AESCBCEncrypt 

func AESCBCEncrypt(s, k []byte) ([]byte, error)

AESCBCEncrypt encrypt s with given k k should be 128/256 bits, otherwise it will append empty data or cut until 256 bits First 16 bytes of cipher data is the IV.

func AESCFBDecrypt 

func AESCFBDecrypt(c, k []byte) ([]byte, error)

AESDecrypt decrypt c with given k k should be 128/256 bits, otherwise it will append empty data or cut until 256 bits First 16 bytes of cipher data is the IV.

func AESCFBEncrypt 

func AESCFBEncrypt(s, k []byte) ([]byte, error)

AESCFBEncrypt encrypt s with given k. k should be 128/256 bits, otherwise it will append empty data or cut until 256 bits. First 16 bytes of cipher data is the IV.

func AESGCMDecrypt 

func AESGCMDecrypt(c, k, n []byte) ([]byte, error)

AESGCMDecrypt decrypt s use k and nonce

func AESGCMEncrypt 

func AESGCMEncrypt(s, k, n []byte) ([]byte, error)

AESGCMEncrypt encrypt s use k and nonce

func AESMake256Key 

func AESMake256Key(k []byte) []byte

AESMake256Key cut or append empty data on the key and make sure the key lenth equal 32

func CheckHmacSha1 

func CheckHmacSha1(message, messageMAC, key []byte) (bool, error)

func CheckHmacSha256 

func CheckHmacSha256(message, messageMAC, key []byte) (bool, error)

func Decimal2IP 

func Decimal2IP(n int64) string

Decimal2IP transform a decimal IP to x.x.x.x format.

func Decimal2IP0 

func Decimal2IP0(n int64) (ip string, err error)

Decimal2IP0 transform a decimal IP to x.x.x.x format. ref: https://zh.wikipedia.org/wiki/IPv4

func Decimal2IP1 

func Decimal2IP1(n int64) string

Decimal2IP1 transform a decimal IP to x.x.x.x format.

func DecryptStruct 

func DecryptStruct(d []byte, v interface{}, k []byte) error

JSON Struct

func DecryptStructFrom 

func DecryptStructFrom(r io.Reader, v interface{}, k []byte) error

JSON Struct

func EncryptStruct 

func EncryptStruct(v interface{}, k []byte) ([]byte, error)

JSON Struct

func EncryptStructTo 

func EncryptStructTo(w io.Writer, v interface{}, k []byte) error

func GBK2UTF8 

func GBK2UTF8(s []byte) ([]byte, error)

GBK2UTF8 transform s from GBK to UTF8 format

func GetAddressFromURL 

func GetAddressFromURL(s string) (string, error)

func HasPort 

func HasPort(host string) bool

func HkdfSha1RandomSalt 

func HkdfSha1RandomSalt(secret, info []byte, sl int) (key []byte, salt []byte, err error)

func HkdfSha1WithSalt 

func HkdfSha1WithSalt(secret, salt, info []byte) (key []byte, err error)

func HkdfSha256RandomSalt 

func HkdfSha256RandomSalt(secret, info []byte, sl int) (key []byte, salt []byte, err error)

func HkdfSha256WithSalt 

func HkdfSha256WithSalt(secret, salt, info []byte) (key []byte, err error)

func HmacSha1 

func HmacSha1(message, key []byte) ([]byte, error)

func HmacSha256 

func HmacSha256(message, key []byte) ([]byte, error)

func IP2Decimal 

func IP2Decimal(ipstr string) (int64, error)

IP2Decimal transform ip format like x.x.x.x to decimal.

func IP2Decimal0 

func IP2Decimal0(ip string) (n int64, err error)

IP2Decimal0 transform ip format like x.x.x.x to decimal. ref: https://zh.wikipedia.org/wiki/IPv4

func IP2Decimal1 

func IP2Decimal1(ipstr string) (int64, error)

IP2Decimal1 transform ip format like x.x.x.x to decimal.

func IsBankCard 

func IsBankCard(n int64) (ok bool, err error)

IsBankCard determine whether it is bankcard number

func IsChineseID 

func IsChineseID(s string) (ok bool, err error)

IsChineseID determine whether it is Chinese ID Card Number

func IsChineseWords 

func IsChineseWords(words string) (ok bool, err error)

IsChineseWords determine whether it is Chinese words Notice: NOT ALL

func IsEmail 

func IsEmail(email string) (ok bool, err error)

IsEmail determine whether it is email address

func JSON 

func JSON(w http.ResponseWriter, v interface{})

func MD5 

func MD5(s string) (r string)

MD5 encrypt s according to md5 algorithm

func Markdown 

func Markdown(markdown []byte) (html []byte)

Markdown format input to html

func MultipartFormDataFromFile 

func MultipartFormDataFromFile(params, files map[string][]string, boundary string) (ior io.Reader, err error)

MultipartFormDataFromFile generate multipart form data according to RFC 2388. files is the paths of your files

func MultipartFormDataFromReader 

func MultipartFormDataFromReader(params map[string][]string, files map[string][]io.Reader, boundary string) (ior io.Reader, err error)

MultipartFormDataFromReader generate multipart form data according to RFC 2388.

func OpenRedPacket 

func OpenRedPacket(amount, quantity int64) int64

OpenRedPacket opens a red packet, amount and quantity are remaining data. amount and quantity must > 0. amount must >= quantity.

func PKCS5Padding 

func PKCS5Padding(c []byte, blockSize int) []byte

PKCS5Padding can append data of PKCS5 Common blockSize is aes.BlockSize

func PKCS5UnPadding 

func PKCS5UnPadding(s []byte) ([]byte, error)

PKCS5UnPadding can unappend data of PKCS5

func Random 

func Random(min, max int64) int64

Random used to get a random number between min and max

func RandomNumber 

func RandomNumber() (i int64)

RandomNumber used to get a random number

func ReadJSON 

func ReadJSON(r *http.Request, o interface{}) error

func SHA1 

func SHA1(s string) (r string)

SHA1 encrypt s according to sha1 algorithm

func SHA256 

func SHA256(s []byte) ([]byte, error)

SHA256 encrypt s according to sha256 algorithm

func SHA256String 

func SHA256String(s string) (r string)

SHA256 encrypt s according to sha256 algorithm

func ToString 

func ToString(data interface{}) (string, error)

ToString convert data to string, data must be one of map[string]string, map[string]interface{}, string, []string, struct

func URIEscape 

func URIEscape(s string) string

func URIUnescape 

func URIUnescape(s string) (string, error)

func UTF82GBK 

func UTF82GBK(s []byte) ([]byte, error)

UTF82GBK transform s from UTF8 to GBK format

Types

type CIDRInfo 

type CIDRInfo struct {
	First   string
	Last    string
	Block   int64
	Network string
	Count   int64
}

CIDRInfo is the struct of CIDR

func CIDR 

func CIDR(cidr string) (c *CIDRInfo, err error)

CIDR return *CIDRInfo from like this x.x.x.x/x ref: http://goo.gl/AEUIi8

type Chat 

type Chat struct {
	URL string
}

func (*Chat) SendCard 

func (c *Chat) SendCard(img, text, link string) error

func (*Chat) SendText 

func (c *Chat) SendText(data interface{}) error

Send data to hangout chat data must be one of map[string]string, map[string]interface{}, string, []string, struct

type CryptKV 

type CryptKV struct {
	AESKey    []byte
	LifeCycle int
}

CryptKV can be used to crypt value by key and give it a lifecycle (s). Can be used in cookies

func (*CryptKV) Decrypt 

func (kv *CryptKV) Decrypt(c string, k string) (string, error)

Decrypt key, value

func (*CryptKV) DecryptFromRequest 

func (kv *CryptKV) DecryptFromRequest(r *http.Request, k string) (string, error)

Decrypt from http.Request

func (*CryptKV) Encrypt 

func (kv *CryptKV) Encrypt(k string, v string) (string, error)

Encrypt key, value

type DB 

type DB struct {
	DB *sqlx.DB
	// contains filtered or unexported fields
}

func NewDB 

func NewDB(dsn string, connLifeTime time.Duration, s bool) (*DB, error)

connLifeTime must < mysql.wait_timeout

func (*DB) Begin 

func (db *DB) Begin() (*Tx, error)

func (*DB) Delete 

func (db *DB) Delete(o interface{}) error

Delete

func (*DB) Get 

func (db *DB) Get(id int64, o interface{}) error

Get

func (*DB) Insert 

func (db *DB) Insert(o interface{}) (int64, error)

Insert

func (*DB) Update 

func (db *DB) Update(o interface{}) error

Update

func (*DB) UpdateExcept 

func (db *DB) UpdateExcept(o interface{}, ignore ...string) error

Update

func (*DB) UpdateOnly 

func (db *DB) UpdateOnly(o interface{}, only ...string) error

Update

type Dial 

type Dial struct {
	Timeout time.Duration
}

DefaultDial is the default dialer which dial with tcp network

func (*Dial) Dial 

func (d *Dial) Dial(network, addr string) (net.Conn, error)

Dial a remote address

type Dialer 

type Dialer interface {
	Dial(network, addr string) (net.Conn, error)
}

Dialer is a common interface for dialing

type JPush 

type JPush struct {
	AppKey       string
	MasterSecret string
}

func (*JPush) Message 

func (jp *JPush) Message(ids []string, extras interface{}) error

If ids length equal 0 means push to all, extras must can be encoded into json object.

func (*JPush) Notification 

func (jp *JPush) Notification(ids []string, alert string, extras interface{}, production bool) error

If ids length equal 0 means push to all, extras must can be encoded into json object.

type Mailgun 

type Mailgun struct {
	Domain string
	APIKey string
}

Mailgun is your maingun domain, api key config

func (*Mailgun) Send 

func (m *Mailgun) Send(msg *mailx.Message) error

Send can send email message by Maingun

type SafeMap 

type SafeMap struct {
	// contains filtered or unexported fields
}

SafeMap is concurrent security map

func NewSafeMap 

func NewSafeMap() *SafeMap

NewSafeMap get a new concurrent security map

func (*SafeMap) Delete 

func (m *SafeMap) Delete(k interface{})

Delete used to delete a key

func (*SafeMap) Get 

func (m *SafeMap) Get(k interface{}) interface{}

Get used to get a value by key

func (*SafeMap) IsExists 

func (m *SafeMap) IsExists(k interface{}) bool

IsExists determine whether k exists

func (*SafeMap) Set 

func (m *SafeMap) Set(k interface{}, v interface{}) bool

Set used to set value with key

type TencentSMS 

type TencentSMS struct {
	AppID  string
	AppKey string
}

func (*TencentSMS) Send 

func (t *TencentSMS) Send(message, mobile string) error

type Tx 

type Tx struct {
	Tx *sqlx.Tx
	// contains filtered or unexported fields
}

func (*Tx) Commit 

func (tx *Tx) Commit() error

func (*Tx) Delete 

func (tx *Tx) Delete(o interface{}) error

Delete

func (*Tx) Get 

func (tx *Tx) Get(id int64, o interface{}) error

Get

func (*Tx) Insert 

func (tx *Tx) Insert(o interface{}) (int64, error)

Insert

func (*Tx) Rollback 

func (tx *Tx) Rollback(err error) error

func (*Tx) Update 

func (tx *Tx) Update(o interface{}) error

Update

func (*Tx) UpdateExcept 

func (tx *Tx) UpdateExcept(o interface{}, ignore ...string) error

Update

func (*Tx) UpdateOnly 

func (tx *Tx) UpdateOnly(o interface{}, only ...string) error

Update

type YunpianSMS 

type YunpianSMS struct {
	ApiKey string
}

func (*YunpianSMS) Send 

func (y *YunpianSMS) Send(message, mobile string) error

Source Files

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