utils

package
v0.9.0 Latest Latest
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 Go to latest Published: Apr 24, 2018 License: AGPL-3.0 Imports: 42 Imported by: 0

Documentation

Overview

Package utils provides swiss-knife tools for all services

Index

Constants

View Source 
const (
	PolicyNodeMetaName      = "NodeMetaName"
	PolicyNodeMetaPath      = "NodeMetaPath"
	PolicyNodeMetaExtension = "NodeMetaExtension"
	PolicyNodeMetaMimeType  = "NodeMetaMimeType"
	PolicyNodeMetaSize      = "NodeMetaSize"
	PolicyNodeMetaMTime     = "NodeMetaMTime"
	PolicyNodeMeta_         = "NodeMeta:"
)
View Source 
const PRECISION = 100

Variables

View Source 
var (
	NamesToFlags = map[string]BitmaskFlag{
		"read":   FLAG_READ,
		"write":  FLAG_WRITE,
		"deny":   FLAG_DENY,
		"list":   FLAG_LIST,
		"delete": FLAG_DELETE,
		"policy": FLAG_POLICY,
		"quota":  FLAG_QUOTA,
	}
	FlagsToNames = map[BitmaskFlag]string{
		FLAG_READ:   "read",
		FLAG_WRITE:  "write",
		FLAG_DENY:   "deny",
		FLAG_LIST:   "list",
		FLAG_DELETE: "delete",
		FLAG_POLICY: "policy",
		FLAG_QUOTA:  "quota",
	}
	ACL_READ         = &idm.ACLAction{Name: "read", Value: "1"}
	ACL_WRITE        = &idm.ACLAction{Name: "write", Value: "1"}
	ACL_DENY         = &idm.ACLAction{Name: "deny", Value: "1"}
	ACL_POLICY       = &idm.ACLAction{Name: "policy"}
	ACL_QUOTA        = &idm.ACLAction{Name: "quota"}
	ACL_CONTENT_LOCK = &idm.ACLAction{Name: "content_lock"}
	// Not used yet
	ACL_DELETE           = &idm.ACLAction{Name: "delete", Value: "1"}
	ACL_LIST             = &idm.ACLAction{Name: "list", Value: "1"}
	ResolvePolicyRequest PolicyResolver
)

Functions

func BuildAncestorsList 

func BuildAncestorsList(ctx context.Context, treeClient tree.NodeProviderClient, node *tree.Node) (parentUuids []*tree.Node, err error)

BuildAncestorsList uses ListNodes with Ancestors flag set to build the list of parent nodes.

func BuildAncestorsListOrParent 

func BuildAncestorsListOrParent(ctx context.Context, treeClient tree.NodeProviderClient, node *tree.Node) (parentUuids []*tree.Node, err error)

Recursive listing to build ancestors list when the node does not exists yet : try to find all existing parents

func FactorizeMinioServers 

func FactorizeMinioServers(existingConfigs map[string]*object.MinioConfig, newSource *object.DataSource) (config *object.MinioConfig)

FactorizeMinioServers tries to find exisiting MinioConfig that can be directly reused by the new source, or creates a new one

func FindUserNameInContext 

func FindUserNameInContext(ctx context.Context) (string, claim.Claims)

func GetACLsForRoles 

func GetACLsForRoles(ctx context.Context, roles []*idm.Role, actions ...*idm.ACLAction) []*idm.ACL

GetACLsForRoles compiles ALCs for a list of roles

func GetACLsForWorkspace 

func GetACLsForWorkspace(ctx context.Context, workspaceIds []string, actions ...*idm.ACLAction) (acls []*idm.ACL, err error)

GetACLsForWorkspace compiles ACLs list attached to a given workspace

func GetAvailableIPs 

func GetAvailableIPs() (ips []net.IP, e error)

GetExternalIP retrieves the preferred outbound ip of this machine by scanning the network interfaces of this (virtual) machine

func GetAvailablePort 

func GetAvailablePort() int

func GetDefaultLanguage 

func GetDefaultLanguage() string

GetDefaultLanguage reads default language from config

func GetExternalIP 

func GetExternalIP() (net.IP, error)

GetExternalIP retrieves the preferred outbound ip of this machine by scanning the network interfaces of this (virtual) machine

func GetOutboundIP 

func GetOutboundIP() (net.IP, error)

GetOutboundIP restrieves the preferred outbound ip of this machine by simply connecting to a well known ip of the internet.

func GetRoles 

func GetRoles(ctx context.Context, names []string) []*idm.Role

GetRoles Objects from a list of role names

func GetRolesForUser 

func GetRolesForUser(ctx context.Context, user *idm.User, createMissing bool) []*idm.Role

Load roles for a given user

func GetTimeFromNtp 

func GetTimeFromNtp() (time.Time, error)

func GetWorkspacesForACLs 

func GetWorkspacesForACLs(ctx context.Context, list *AccessList) []*idm.Workspace

Compute a list of accessible workspaces, given a set of Read and Deny ACLs.

func IgnoreNodeForOutput 

func IgnoreNodeForOutput(ctx context.Context, node *tree.Node) bool

IgnoreNodeForOutput checks wether a node shall be ignored for outputs sent to end user (typically websocket events, activities, etc)

func IndexServiceTableNames 

func IndexServiceTableNames(dsName string) map[string]string

func ListMinioConfigsFromConfig 

func ListMinioConfigsFromConfig() map[string]*object.MinioConfig

ListMinioConfigsFromConfig scans configs for objects services configs

func ListSourcesFromConfig 

func ListSourcesFromConfig() map[string]*object.DataSource

ListSourcesFromConfig scans configs for sync services configs

func MinioConfigNamesToConfig 

func MinioConfigNamesToConfig(sources map[string]*object.MinioConfig)

func PolicyContextFromMetadata 

func PolicyContextFromMetadata(policyContext map[string]string, ctx context.Context)

PolicyContextFromMetadata extracts metadata directly from the context and enriches the passed policyContext.

func PolicyContextFromNode 

func PolicyContextFromNode(policyContext map[string]string, node *tree.Node)

PolicyContextFromNode extracts metadata from the Node and enriches the passed policyContext.

func PolicyRequestSubjectsFromClaims 

func PolicyRequestSubjectsFromClaims(claims claim.Claims) []string

PolicyRequestSubjectsFromClaims builds an array of string subjects from the passed Claims.

func PolicyRequestSubjectsFromUser 

func PolicyRequestSubjectsFromUser(user *idm.User) []string

PolicyRequestSubjectsFromUser builds an array of string subjects from the passed User.

func Randkey 

func Randkey(n int) string

func RunJavaScript 

func RunJavaScript(ctx context.Context, script string, inputs map[string]interface{}, outputs map[string]interface{}) error

func SaveConfigs 

func SaveConfigs() error

SaveConfigs sends configuration to the config client and to a local file.

func SearchUniqueUser 

func SearchUniqueUser(ctx context.Context, login string, uuid string, attributes ...string) (user *idm.User, err error)

SearchUniqueUser provides a shortcurt to search user services for one specific user

func SourceNamesToConfig 

func SourceNamesToConfig(sources map[string]*object.DataSource)

func ToPath 

func ToPath(f *Fraction) string

ToPath a Fraction

func ToPathUint 

func ToPathUint(f *Fraction) []uint64

func UnusedMinioServers 

func UnusedMinioServers(minios map[string]*object.MinioConfig, sources map[string]*object.DataSource) string

UnusedMinioServers searches for existing minio configs that are not used anywhere in datasources

func UserLanguage 

func UserLanguage(ctx context.Context, user *idm.User) string

UserLanguage looks for the user roles and check if a language parameter is set (starting from the last). Otherwise returns the default language from config

func UserLanguageFromContext 

func UserLanguageFromContext(ctx context.Context, returnDefault bool) string

UserLanguageFromContext tries to find Claims in context and get the language for the corresponding user. If nothing is found, if returnDefault is true it returns the global default language, otherwise it returns an empty string.

func UserLanguagesFromRestRequest 

func UserLanguagesFromRestRequest(req *restful.Request) []string

UserLanguagesFromRestRequest tries to find user language from various sources: X-Pydio-Language header, user language inside the system (set via roles), or Accept-Language standard header.

Types

type AccessList 

type AccessList struct {
	Workspaces      map[string]*idm.Workspace
	Acls            []*idm.ACL
	NodesAcls       map[string]Bitmask
	WorkspacesNodes map[string]map[string]Bitmask
	OrderedRoles    []*idm.Role
}

AccessList is a merged representation of all ACLs that a user has access to. ACLs are merged using a Bitmask form to ease flags detections and comparisons.

func AccessListFromContextClaims 

func AccessListFromContextClaims(ctx context.Context) (accessList *AccessList, err error)

Use package function to compile ACL and Workspaces for a given user ( = list of roles inside the Claims)

func AccessListFromRoles 

func AccessListFromRoles(ctx context.Context, roles []*idm.Role, countPolicies bool, loadWorkspaces bool) (accessList *AccessList, err error)

AccessListFromRoles loads the Acls and flatten them, eventually loading the discovered workspaces

func AccessListFromUser 

func AccessListFromUser(ctx context.Context, userNameOrUuid string, isUuid bool) (accessList *AccessList, user *idm.User, err error)

func NewAccessList 

func NewAccessList(orderedRoles []*idm.Role, Acls ...[]*idm.ACL) *AccessList

NewAccessList creates a new AccessList.

func (*AccessList) Append 

func (a *AccessList) Append(acls []*idm.ACL)

Append appends an additional list of ACLs.

func (*AccessList) BelongsToWorkspaces 

func (a *AccessList) BelongsToWorkspaces(ctx context.Context, nodes ...*tree.Node) (workspaces []*idm.Workspace, workspacesRoots map[string]string)

BelongsToWorkspaces finds corresponding workspace parents for this node.

func (*AccessList) CanRead 

func (a *AccessList) CanRead(ctx context.Context, nodes ...*tree.Node) bool

CanRead checks if a node has READ access.

func (*AccessList) CanWrite 

func (a *AccessList) CanWrite(ctx context.Context, nodes ...*tree.Node) bool

CanWrite checks if a node has WRITE access.

func (*AccessList) FirstMaskForParents 

func (a *AccessList) FirstMaskForParents(ctx context.Context, nodes ...*tree.Node) (Bitmask, *tree.Node)

FirstMaskForParents just climbs up the tree and gets the first non empty mask found.

func (*AccessList) Flatten 

func (a *AccessList) Flatten(ctx context.Context)

Flatten performs actual flatten.

func (*AccessList) GetAccessibleWorkspaces 

func (a *AccessList) GetAccessibleWorkspaces(ctx context.Context) map[string]string

GetAccessibleWorkspaces retrieves a map of accessible workspaces.

func (*AccessList) GetNodesBitmasks 

func (a *AccessList) GetNodesBitmasks() map[string]Bitmask

func (*AccessList) GetWorkspacesNodes 

func (a *AccessList) GetWorkspacesNodes() map[string]map[string]Bitmask

GetWorkspacesNodes gets detected workspace root nodes that are then used to populate the Workspace keys.

func (*AccessList) HasPolicyBasedAcls 

func (a *AccessList) HasPolicyBasedAcls() bool

HasPolicyBasedAcls checks if there are policy based acls.

func (*AccessList) ParentMaskOrDeny 

func (a *AccessList) ParentMaskOrDeny(ctx context.Context, nodes ...*tree.Node) (bool, Bitmask)

ParentMaskOrDeny browses access list from current node to ROOT, going through each parent. If there is a deny anywhere up the path, it returns that deny, otherwise it sends the first Bitmask found (closest parent having a Bitmask set).

func (*AccessList) Zap 

func (a *AccessList) Zap() zapcore.Field

Zap simply returns a zapcore.Field object populated with this aggregated AccessList under a standard key

type Bitmask 

type Bitmask struct {
	BitmaskFlag
	PolicyIds  map[string]string
	ValueFlags map[BitmaskFlag]string
}

func (*Bitmask) AddFlag 

func (f *Bitmask) AddFlag(flag BitmaskFlag)

AddFlag adds a simple flag.

func (*Bitmask) AddPolicyFlag 

func (f *Bitmask) AddPolicyFlag(policyId string)

AddPolicyFlag adds a policy flag and stacks policies.

func (*Bitmask) AddValueFlag 

func (f *Bitmask) AddValueFlag(flag BitmaskFlag, value string)

AddValueFlag stores the value of a BitmaskFlag.

func (Bitmask) HasFlag 

func (f Bitmask) HasFlag(ctx context.Context, flag BitmaskFlag, ctxNode ...*tree.Node) bool

type BitmaskFlag 

type BitmaskFlag uint32
const (
	FLAG_READ BitmaskFlag = 1 << iota
	FLAG_WRITE
	FLAG_DENY
	FLAG_LIST
	FLAG_DELETE
	FLAG_POLICY
	FLAG_QUOTA
)

type Float 

type Float struct {
	*big.Float
}

Float type

func NewFloat 

func NewFloat() *Float

NewFloat returns a big Float with a 512 precision

func (*Float) Nat 

func (f *Float) Nat() Nat

Nat representation of a float

type Fraction 

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

Fraction type

func NewFraction 

func NewFraction(n *big.Int, d *big.Int) *Fraction

NewFraction from a numerator and denominator

func NewFractionFromMaterializedPath 

func NewFractionFromMaterializedPath(path ...uint64) *Fraction

NewFractionFromMaterializedPath function

func (Fraction) Decimal 

func (f Fraction) Decimal() *big.Rat

Decimal representation of the fraction

func (Fraction) Den 

func (f Fraction) Den() *big.Int

Den value of the fraction

func (Fraction) Num 

func (f Fraction) Num() *big.Int

Num value of the fraction

type I18nBundle 

type I18nBundle struct {
	bundle.Bundle
}

func NewI18nBundle 

func NewI18nBundle(box packr.Box) *I18nBundle

func (*I18nBundle) GetTranslationFunc 

func (b *I18nBundle) GetTranslationFunc(languages ...string) i18n.TranslateFunc

GetTranslationFunc provides the correct translation func for language or the IdentityFunc if language is not supported. Languages can be a list of weighted languages as provided in the http header Accept-Language

func (*I18nBundle) LoadPackrTranslationFiles 

func (b *I18nBundle) LoadPackrTranslationFiles(box packr.Box)

LoadPackrTranslationFiles loads goi18n translation files from packr boxes

type JsRequest 

type JsRequest struct {
	UserAgent string
	UserIP    string
}

type JsUser 

type JsUser struct {
	Name               string
	GroupPath          string
	GroupPathFlattened string
}

type MPath 

type MPath []uint64

MPath type struct

func NewMPath 

func NewMPath(mpath ...uint64) MPath

NewMPath from mpath

func NewMPathFromMPath 

func NewMPathFromMPath(b MPath) MPath

NewMPathFromMPath returns a copy of a slice

func (MPath) Hash 

func (m MPath) Hash() uint32

func (MPath) Index 

func (m MPath) Index() uint64

func (MPath) Parent 

func (m MPath) Parent() MPath

Parent of a specific path

func (MPath) Parents 

func (m MPath) Parents() []MPath

func (MPath) Rat 

func (m MPath) Rat() *Rat

Rat representation of a materialized path

func (MPath) Sibling 

func (m MPath) Sibling() MPath

Sibling of a specific path

func (MPath) String 

func (m MPath) String() string

String representation of a mpath

type MPathProvider 

type MPathProvider interface {
}

type Matrix 

type Matrix [][]*big.Int

func MoveSubtree 

func MoveSubtree(p0 *Matrix, m *big.Int, p1 *Matrix, n *big.Int, M *Matrix) *Matrix

func NewMatrix 

func NewMatrix(m00 *big.Int, m01 *big.Int, m10 *big.Int, m11 *big.Int) *Matrix

func (Matrix) GetA11 

func (m Matrix) GetA11() *big.Int

func (Matrix) GetA12 

func (m Matrix) GetA12() *big.Int

func (Matrix) GetA21 

func (m Matrix) GetA21() *big.Int

func (Matrix) GetA22 

func (m Matrix) GetA22() *big.Int

type Nat 

type Nat []big.Word

type PolicyResolver 

type PolicyResolver func(ctx context.Context, request *idm.PolicyEngineRequest) (*idm.PolicyEngineResponse, error)

type Rat 

type Rat struct {
	*big.Rat
}

Float type

func NewRat 

func NewRat() *Rat

func (*Rat) SetMPath 

func (f *Rat) SetMPath(path ...uint64) *Rat

SetMPath sets the value of the float based on the materialized path given 

type Right struct {
	Read  bool
	Write bool
}

func (*Right) IsAccessible 

func (r *Right) IsAccessible() bool

func (*Right) String 

func (r *Right) String() string

type TreeNode 

type TreeNode struct {
	*tree.Node

	MPath MPath

	Level int
	// contains filtered or unexported fields
}

TreeNode definition

func NewTreeNode 

func NewTreeNode() *TreeNode

NewTreeNode wraps a node with its rational equivalent of the mpath

func (*TreeNode) Bytes 

func (t *TreeNode) Bytes() []byte

Bytes encoding of the rational

func (*TreeNode) DV 

func (t *TreeNode) DV() *big.Int

DV represents the denominator value of the rational

func (*TreeNode) GetMeta 

func (t *TreeNode) GetMeta(name string, value interface{})

GetMeta gets a meta from a meta store using the lock

func (*TreeNode) NV 

func (t *TreeNode) NV() *big.Int

NV represents the numerator value of the rational

func (*TreeNode) Name 

func (t *TreeNode) Name() string

Name from the metastore (uses a rwlock)

func (*TreeNode) SDV 

func (t *TreeNode) SDV() *big.Int

SDV represents the denominator value of the node sibling

func (*TreeNode) SNV 

func (t *TreeNode) SNV() *big.Int

SNV represents the numerator value of the node sibling

func (*TreeNode) SetBytes 

func (t *TreeNode) SetBytes(b []byte)

SetBytes decodes the byte representation of the rat and applies it to the current node

func (*TreeNode) SetMPath 

func (t *TreeNode) SetMPath(mpath ...uint64)

SetMPath triggers the calculation of the rat representation and the sibling rat representation for the node

func (*TreeNode) SetMeta 

func (t *TreeNode) SetMeta(name string, value interface{})

SetMeta sets a meta using a lock

func (*TreeNode) SetName 

func (t *TreeNode) SetName(name string)

SetName records the name of the node in the metastore (uses a lock)

func (*TreeNode) SetRat 

func (t *TreeNode) SetRat(rat *Rat)

SetRat triggers the calculation of the mpath based on the rational value given for the node

Source Files

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