113 lines
2.3 KiB
Go
113 lines
2.3 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package migration
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import (
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"fmt"
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"os"
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"strings"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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"github.com/santhosh-tekuri/jsonschema/v5"
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"gopkg.in/yaml.v2"
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)
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// Load project data from file, with optional validation
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func Load(filename string, data interface{}, validation bool) error {
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isJSON := strings.HasSuffix(filename, ".json")
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bs, err := os.ReadFile(filename)
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if err != nil {
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return err
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}
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if validation {
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err := validate(bs, data, isJSON)
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if err != nil {
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return err
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}
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}
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return unmarshal(bs, data, isJSON)
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}
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func unmarshal(bs []byte, data interface{}, isJSON bool) error {
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if isJSON {
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return json.Unmarshal(bs, data)
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}
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return yaml.Unmarshal(bs, data)
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}
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func getSchema(filename string) (*jsonschema.Schema, error) {
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c := jsonschema.NewCompiler()
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c.LoadURL = openSchema
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return c.Compile(filename)
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}
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func validate(bs []byte, datatype interface{}, isJSON bool) error {
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var v interface{}
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err := unmarshal(bs, &v, isJSON)
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if err != nil {
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return err
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}
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if !isJSON {
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v, err = toStringKeys(v)
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if err != nil {
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return err
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}
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}
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var schemaFilename string
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switch datatype := datatype.(type) {
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case *[]*Issue:
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schemaFilename = "issue.json"
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case *[]*Milestone:
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schemaFilename = "milestone.json"
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default:
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return fmt.Errorf("file_format:validate: %T has not a validation implemented", datatype)
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}
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sch, err := getSchema(schemaFilename)
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if err != nil {
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return err
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}
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err = sch.Validate(v)
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if err != nil {
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log.Error("migration validation with %s failed for\n%s", schemaFilename, string(bs))
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}
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return err
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}
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func toStringKeys(val interface{}) (interface{}, error) {
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var err error
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switch val := val.(type) {
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case map[interface{}]interface{}:
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m := make(map[string]interface{})
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for k, v := range val {
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k, ok := k.(string)
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if !ok {
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return nil, fmt.Errorf("found non-string key %T %s", k, k)
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}
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m[k], err = toStringKeys(v)
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if err != nil {
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return nil, err
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}
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}
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return m, nil
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case []interface{}:
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l := make([]interface{}, len(val))
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for i, v := range val {
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l[i], err = toStringKeys(v)
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if err != nil {
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return nil, err
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}
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}
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return l, nil
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default:
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return val, nil
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}
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}
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