utils

package
v0.7.1 Latest Latest
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 Go to latest Published: Aug 5, 2014 License: MIT Imports: 16 Imported by: 0

Documentation

Overview

Package utils collects various services: simple operations, compression, etc.

Index

Constants

This section is empty.

Variables

View Source 
var Config = ConfigStructure{
	RootDir:                filepath.Join(os.Getenv("HOME"), ".aptly"),
	DownloadConcurrency:    4,
	DownloadLimit:          0,
	Architectures:          []string{},
	DepFollowSuggests:      false,
	DepFollowRecommends:    false,
	DepFollowAllVariants:   false,
	DepFollowSource:        false,
	GpgDisableSign:         false,
	GpgDisableVerify:       false,
	DownloadSourcePackages: false,
	PpaDistributorID:       "ubuntu",
	PpaCodename:            "",
	S3PublishRoots:         map[string]S3PublishRoot{},
}

Config is configuration for aptly, shared by all modules

Functions

func CompressFile 

func CompressFile(source *os.File) error

CompressFile compresses file specified by source to .gz & .bz2

It uses internal gzip and external bzip2, see: https://code.google.com/p/go/issues/detail?id=4828

func HumanBytes added in v0.5.1 

func HumanBytes(i int64) (result string)

HumanBytes converts bytes to human readable string

func LoadConfig 

func LoadConfig(filename string, config *ConfigStructure) error

LoadConfig loads configuration from json file

func SaveConfig 

func SaveConfig(filename string, config *ConfigStructure) error

SaveConfig write configuration to json file

func StrMapSortedKeys 

func StrMapSortedKeys(m map[string]string) []string

StrMapSortedKeys returns keys of map[string]string sorted

func StrMapsEqual 

func StrMapsEqual(m1, m2 map[string]string) bool

StrMapsEqual compares two map[string]string

func StrSliceDeduplicate 

func StrSliceDeduplicate(s []string) []string

StrSliceDeduplicate removes dups in slice

func StrSliceHasItem 

func StrSliceHasItem(s []string, item string) bool

StrSliceHasItem checks item for presence in slice

func StrSlicesEqual 

func StrSlicesEqual(s1, s2 []string) bool

StrSlicesEqual compares two slices for equality

func StrSlicesSubstract 

func StrSlicesSubstract(l, r []string) []string

StrSlicesSubstract finds all the strings which are in l but not in r, both slices shoult be sorted

func StringsIsSubset 

func StringsIsSubset(subset, full []string, errorFmt string) error

StringsIsSubset checks that subset is strict subset of full, and returns error formatted with errorFmt otherwise

Types

type ChecksumInfo 

type ChecksumInfo struct {
	Size   int64
	MD5    string
	SHA1   string
	SHA256 string
}

ChecksumInfo represents checksums for a single file

func ChecksumsForFile 

func ChecksumsForFile(path string) (ChecksumInfo, error)

ChecksumsForFile generates size, MD5, SHA1 & SHA256 checksums for given file

type ChecksumWriter 

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

ChecksumWriter is a writer that does checksum calculation on the fly passing data to real writer

func NewChecksumWriter 

func NewChecksumWriter() *ChecksumWriter

NewChecksumWriter creates checksum calculator for given writer w

func (*ChecksumWriter) Sum 

func (c *ChecksumWriter) Sum() ChecksumInfo

Sum returns caculated ChecksumInfo

func (*ChecksumWriter) Write 

func (c *ChecksumWriter) Write(p []byte) (n int, err error)

Write implememnts pass-through writing with checksum calculation on the fly

type ConfigStructure 

type ConfigStructure struct {
	RootDir                string                   `json:"rootDir"`
	DownloadConcurrency    int                      `json:"downloadConcurrency"`
	DownloadLimit          int64                    `json:"downloadSpeedLimit"`
	Architectures          []string                 `json:"architectures"`
	DepFollowSuggests      bool                     `json:"dependencyFollowSuggests"`
	DepFollowRecommends    bool                     `json:"dependencyFollowRecommends"`
	DepFollowAllVariants   bool                     `json:"dependencyFollowAllVariants"`
	DepFollowSource        bool                     `json:"dependencyFollowSource"`
	GpgDisableSign         bool                     `json:"gpgDisableSign"`
	GpgDisableVerify       bool                     `json:"gpgDisableVerify"`
	DownloadSourcePackages bool                     `json:"downloadSourcePackages"`
	PpaDistributorID       string                   `json:"ppaDistributorID"`
	PpaCodename            string                   `json:"ppaCodename"`
	S3PublishRoots         map[string]S3PublishRoot `json:"S3PublishEndpoints"`
}

ConfigStructure is structure of main configuration

type GpgSigner 

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

GpgSigner is implementation of Signer interface using gpg

func (*GpgSigner) ClearSign 

func (g *GpgSigner) ClearSign(source string, destination string) error

ClearSign clear-signs the file

func (*GpgSigner) DetachedSign 

func (g *GpgSigner) DetachedSign(source string, destination string) error

DetachedSign signs file with detached signature in ASCII format

func (*GpgSigner) Init 

func (g *GpgSigner) Init() error

Init verifies availability of gpg & presence of keys

func (*GpgSigner) SetKey 

func (g *GpgSigner) SetKey(keyRef string)

SetKey sets key ID to use when signing files

func (*GpgSigner) SetKeyRing 

func (g *GpgSigner) SetKeyRing(keyring, secretKeyring string)

SetKeyRing allows to set custom keyring and secretkeyring

type GpgVerifier 

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

GpgVerifier is implementation of Verifier interface using gpgv

func (*GpgVerifier) AddKeyring 

func (g *GpgVerifier) AddKeyring(keyring string)

AddKeyring adds custom keyring to GPG parameters

func (*GpgVerifier) ExtractClearsigned 

func (g *GpgVerifier) ExtractClearsigned(clearsigned io.Reader) (text *os.File, err error)

ExtractClearsigned extracts cleartext from clearsigned file WITHOUT signature verification

func (*GpgVerifier) InitKeyring 

func (g *GpgVerifier) InitKeyring() error

InitKeyring verifies that gpg is installed and some keys are trusted

func (*GpgVerifier) VerifyClearsigned 

func (g *GpgVerifier) VerifyClearsigned(clearsigned io.Reader) error

VerifyClearsigned verifies clearsigned file using gpgv

func (*GpgVerifier) VerifyDetachedSignature 

func (g *GpgVerifier) VerifyDetachedSignature(signature, cleartext io.Reader) error

VerifyDetachedSignature verifies combination of signature and cleartext using gpgv

type S3PublishRoot added in v0.7.1 

type S3PublishRoot struct {
	Region          string `json:"region"`
	Bucket          string `json:"bucket"`
	AccessKeyID     string `json:"awsAccessKeyID"`
	SecretAccessKey string `json:"awsSecretAccessKey"`
	Prefix          string `json:"prefix"`
	ACL             string `json:"acl"`
}

S3PublishRoot describes single S3 publishing entry point

type Signer 

type Signer interface {
	Init() error
	SetKey(keyRef string)
	SetKeyRing(keyring, secretKeyring string)
	DetachedSign(source string, destination string) error
	ClearSign(source string, destination string) error
}

Signer interface describes facility implementing signing of files

type Verifier 

type Verifier interface {
	InitKeyring() error
	AddKeyring(keyring string)
	VerifyDetachedSignature(signature, cleartext io.Reader) error
	VerifyClearsigned(clearsigned io.Reader) error
	ExtractClearsigned(clearsigned io.Reader) (text *os.File, err error)
}

Verifier interface describes signature verification factility

Source Files

View all Source files

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