121 lines
3.5 KiB
Go
121 lines
3.5 KiB
Go
package mongodb
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import (
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"fmt"
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"github.com/fatih/structs"
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"github.com/hashicorp/vault/logical"
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"github.com/hashicorp/vault/logical/framework"
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"gopkg.in/mgo.v2"
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)
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func pathConfigConnection(b *backend) *framework.Path {
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return &framework.Path{
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Pattern: "config/connection",
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Fields: map[string]*framework.FieldSchema{
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"uri": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "MongoDB standard connection string (URI)",
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},
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"verify_connection": &framework.FieldSchema{
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Type: framework.TypeBool,
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Default: true,
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Description: `If set, uri is verified by actually connecting to the database`,
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},
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},
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Callbacks: map[logical.Operation]framework.OperationFunc{
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logical.ReadOperation: b.pathConnectionRead,
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logical.UpdateOperation: b.pathConnectionWrite,
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},
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HelpSynopsis: pathConfigConnectionHelpSyn,
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HelpDescription: pathConfigConnectionHelpDesc,
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}
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}
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// pathConnectionRead reads out the connection configuration
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func (b *backend) pathConnectionRead(req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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entry, err := req.Storage.Get("config/connection")
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if err != nil {
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return nil, fmt.Errorf("failed to read connection configuration")
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}
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if entry == nil {
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return nil, nil
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}
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var config connectionConfig
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if err := entry.DecodeJSON(&config); err != nil {
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return nil, err
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}
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return &logical.Response{
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Data: structs.New(config).Map(),
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}, nil
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}
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func (b *backend) pathConnectionWrite(req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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uri := data.Get("uri").(string)
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if uri == "" {
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return logical.ErrorResponse("uri parameter is required"), nil
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}
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dialInfo, err := parseMongoURI(uri)
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if err != nil {
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return logical.ErrorResponse(fmt.Sprintf("invalid uri: %s", err)), nil
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}
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// Don't check the config if verification is disabled
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verifyConnection := data.Get("verify_connection").(bool)
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if verifyConnection {
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// Verify the config
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session, err := mgo.DialWithInfo(dialInfo)
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if err != nil {
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return logical.ErrorResponse(fmt.Sprintf(
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"Error validating connection info: %s", err)), nil
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}
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defer session.Close()
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if err := session.Ping(); err != nil {
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return logical.ErrorResponse(fmt.Sprintf(
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"Error validating connection info: %s", err)), nil
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}
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}
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// Store it
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entry, err := logical.StorageEntryJSON("config/connection", connectionConfig{
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URI: uri,
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VerifyConnection: verifyConnection,
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})
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if err != nil {
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return nil, err
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}
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if err := req.Storage.Put(entry); err != nil {
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return nil, err
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}
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// Reset the Session
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b.ResetSession()
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resp := &logical.Response{}
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resp.AddWarning("Read access to this endpoint should be controlled via ACLs as it will return the connection URI as it is, including passwords, if any.")
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return resp, nil
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}
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type connectionConfig struct {
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URI string `json:"uri" structs:"uri" mapstructure:"uri"`
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VerifyConnection bool `json:"verify_connection" structs:"verify_connection" mapstructure:"verify_connection"`
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}
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const pathConfigConnectionHelpSyn = `
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Configure the connection string to talk to MongoDB.
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`
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const pathConfigConnectionHelpDesc = `
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This path configures the standard connection string (URI) used to connect to MongoDB.
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A MongoDB URI looks like:
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"mongodb://[username:password@]host1[:port1][,host2[:port2],...[,hostN[:portN]]][/[database][?options]]"
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See https://docs.mongodb.org/manual/reference/connection-string/ for detailed documentation of the URI format.
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When configuring the connection string, the backend will verify its validity.
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`
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