138 lines
5 KiB
Go
138 lines
5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package jobspec2
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import (
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"fmt"
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"github.com/hashicorp/go-cty-funcs/cidr"
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"github.com/hashicorp/go-cty-funcs/crypto"
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"github.com/hashicorp/go-cty-funcs/encoding"
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"github.com/hashicorp/go-cty-funcs/filesystem"
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"github.com/hashicorp/go-cty-funcs/uuid"
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"github.com/hashicorp/hcl/v2/ext/tryfunc"
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"github.com/hashicorp/hcl/v2/ext/typeexpr"
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ctyyaml "github.com/zclconf/go-cty-yaml"
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"github.com/zclconf/go-cty/cty"
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"github.com/zclconf/go-cty/cty/function"
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"github.com/zclconf/go-cty/cty/function/stdlib"
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)
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// Functions returns the set of functions that should be used to when
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// evaluating expressions in the receiving scope.
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//
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// basedir is used with file functions and allows a user to reference a file
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// using local path. Usually basedir is the directory in which the config file
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// is located
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func Functions(basedir string, allowFS bool) map[string]function.Function {
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funcs := map[string]function.Function{
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"abs": stdlib.AbsoluteFunc,
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"base64decode": encoding.Base64DecodeFunc,
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"base64encode": encoding.Base64EncodeFunc,
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"bcrypt": crypto.BcryptFunc,
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"can": tryfunc.CanFunc,
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"ceil": stdlib.CeilFunc,
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"chomp": stdlib.ChompFunc,
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"chunklist": stdlib.ChunklistFunc,
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"cidrhost": cidr.HostFunc,
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"cidrnetmask": cidr.NetmaskFunc,
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"cidrsubnet": cidr.SubnetFunc,
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"cidrsubnets": cidr.SubnetsFunc,
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"coalesce": stdlib.CoalesceFunc,
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"coalescelist": stdlib.CoalesceListFunc,
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"compact": stdlib.CompactFunc,
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"concat": stdlib.ConcatFunc,
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"contains": stdlib.ContainsFunc,
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"convert": typeexpr.ConvertFunc,
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"csvdecode": stdlib.CSVDecodeFunc,
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"distinct": stdlib.DistinctFunc,
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"element": stdlib.ElementFunc,
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"flatten": stdlib.FlattenFunc,
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"floor": stdlib.FloorFunc,
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"format": stdlib.FormatFunc,
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"formatdate": stdlib.FormatDateFunc,
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"formatlist": stdlib.FormatListFunc,
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"indent": stdlib.IndentFunc,
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"index": stdlib.IndexFunc,
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"join": stdlib.JoinFunc,
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"jsondecode": stdlib.JSONDecodeFunc,
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"jsonencode": stdlib.JSONEncodeFunc,
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"keys": stdlib.KeysFunc,
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"length": stdlib.LengthFunc,
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"log": stdlib.LogFunc,
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"lookup": stdlib.LookupFunc,
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"lower": stdlib.LowerFunc,
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"max": stdlib.MaxFunc,
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"md5": crypto.Md5Func,
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"merge": stdlib.MergeFunc,
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"min": stdlib.MinFunc,
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"parseint": stdlib.ParseIntFunc,
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"pow": stdlib.PowFunc,
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"range": stdlib.RangeFunc,
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"reverse": stdlib.ReverseFunc,
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"replace": stdlib.ReplaceFunc,
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"regex_replace": stdlib.RegexReplaceFunc,
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"rsadecrypt": crypto.RsaDecryptFunc,
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"setintersection": stdlib.SetIntersectionFunc,
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"setproduct": stdlib.SetProductFunc,
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"setunion": stdlib.SetUnionFunc,
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"sha1": crypto.Sha1Func,
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"sha256": crypto.Sha256Func,
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"sha512": crypto.Sha512Func,
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"signum": stdlib.SignumFunc,
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"slice": stdlib.SliceFunc,
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"sort": stdlib.SortFunc,
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"split": stdlib.SplitFunc,
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"strlen": stdlib.StrlenFunc,
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"strrev": stdlib.ReverseFunc,
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"substr": stdlib.SubstrFunc,
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"timeadd": stdlib.TimeAddFunc,
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"title": stdlib.TitleFunc,
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"trim": stdlib.TrimFunc,
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"trimprefix": stdlib.TrimPrefixFunc,
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"trimspace": stdlib.TrimSpaceFunc,
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"trimsuffix": stdlib.TrimSuffixFunc,
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"try": tryfunc.TryFunc,
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"upper": stdlib.UpperFunc,
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"urlencode": encoding.URLEncodeFunc,
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"uuidv4": uuid.V4Func,
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"uuidv5": uuid.V5Func,
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"values": stdlib.ValuesFunc,
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"yamldecode": ctyyaml.YAMLDecodeFunc,
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"yamlencode": ctyyaml.YAMLEncodeFunc,
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"zipmap": stdlib.ZipmapFunc,
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// filesystem calls
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"abspath": guardFS(allowFS, filesystem.AbsPathFunc),
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"basename": guardFS(allowFS, filesystem.BasenameFunc),
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"dirname": guardFS(allowFS, filesystem.DirnameFunc),
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"file": guardFS(allowFS, filesystem.MakeFileFunc(basedir, false)),
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"filebase64": guardFS(allowFS, filesystem.MakeFileFunc(basedir, true)),
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"fileexists": guardFS(allowFS, filesystem.MakeFileExistsFunc(basedir)),
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"fileset": guardFS(allowFS, filesystem.MakeFileSetFunc(basedir)),
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"pathexpand": guardFS(allowFS, filesystem.PathExpandFunc),
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}
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return funcs
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}
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func guardFS(allowFS bool, fn function.Function) function.Function {
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if allowFS {
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return fn
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}
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spec := &function.Spec{
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Params: fn.Params(),
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VarParam: fn.VarParam(),
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Type: func([]cty.Value) (cty.Type, error) {
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return cty.DynamicPseudoType, fmt.Errorf("filesystem function disabled")
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},
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Impl: func([]cty.Value, cty.Type) (cty.Value, error) {
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return cty.DynamicVal, fmt.Errorf("filesystem functions disabled")
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},
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}
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return function.New(spec)
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}
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