74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
/*
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Copyright 2015 Home Office All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"fmt"
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"regexp"
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"strings"
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)
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var (
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resourceRegex = regexp.MustCompile("^([\\w]+):([\\w\\\\/\\-_\\.]+):?(.*)")
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resourceOptionsRegex = regexp.MustCompile("([\\w\\d]{2,3})=([\\w\\d\\/\\.\\-_]+)[,]?")
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)
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// VaultResources is a collection of type resource
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type VaultResources struct {
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// an array of resource to retrieve
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items []*VaultResource
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}
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// Set is the implementation for the parser
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func (r *VaultResources) Set(value string) error {
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rn := defaultVaultResource()
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// step: extract the resource type and name
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if matched := resourceRegex.MatchString(value); !matched {
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return fmt.Errorf("invalid resource specification, should be TYPE:NAME:?(OPTION_NAME=VALUE,)")
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}
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// step: extract the matches
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matches := resourceRegex.FindAllStringSubmatch(value, -1)
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rn.resource = matches[0][1]
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rn.name = matches[0][2]
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rn.options = make(map[string]string, 0)
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// step: do we have any options for the resource?
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if len(matches[0]) == 4 {
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opts := matches[0][3]
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for len(opts) > 0 {
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if matched := resourceOptionsRegex.MatchString(opts); !matched {
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return fmt.Errorf("invalid resource options specified: '%s', please check usage", opts)
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}
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matches := resourceOptionsRegex.FindAllStringSubmatch(opts, -1)
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rn.options[matches[0][1]] = matches[0][2]
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opts = strings.TrimPrefix(opts, matches[0][0])
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}
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}
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// step: append to the list of resources
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r.items = append(r.items, rn)
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return nil
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}
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// String returns a string representation of the struct
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func (r VaultResources) String() string {
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return ""
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}
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