d0e2badbae
The result will still pass gofmtcheck and won't trigger additional changes if someone isn't using goimports, but it will avoid the piecemeal imports changes we've been seeing.
130 lines
3 KiB
Go
130 lines
3 KiB
Go
package mssql
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import (
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"context"
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"fmt"
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"strings"
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uuid "github.com/hashicorp/go-uuid"
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"github.com/hashicorp/vault/helper/dbtxn"
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"github.com/hashicorp/vault/helper/strutil"
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"github.com/hashicorp/vault/logical"
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"github.com/hashicorp/vault/logical/framework"
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)
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func pathCredsCreate(b *backend) *framework.Path {
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return &framework.Path{
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Pattern: "creds/" + framework.GenericNameRegex("name"),
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Fields: map[string]*framework.FieldSchema{
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"name": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "Name of the role.",
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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.pathCredsCreateRead,
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},
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HelpSynopsis: pathCredsCreateHelpSyn,
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HelpDescription: pathCredsCreateHelpDesc,
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}
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}
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func (b *backend) pathCredsCreateRead(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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name := data.Get("name").(string)
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// Get the role
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role, err := b.Role(ctx, req.Storage, name)
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if err != nil {
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return nil, err
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}
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if role == nil {
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return logical.ErrorResponse(fmt.Sprintf("unknown role: %s", name)), nil
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}
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// Determine if we have a lease configuration
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leaseConfig, err := b.LeaseConfig(ctx, req.Storage)
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if err != nil {
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return nil, err
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}
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if leaseConfig == nil {
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leaseConfig = &configLease{}
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}
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// Generate our username and password
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displayName := req.DisplayName
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if len(displayName) > 10 {
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displayName = displayName[:10]
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}
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userUUID, err := uuid.GenerateUUID()
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if err != nil {
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return nil, err
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}
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username := fmt.Sprintf("%s-%s", displayName, userUUID)
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password, err := uuid.GenerateUUID()
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if err != nil {
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return nil, err
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}
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// Get our handle
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db, err := b.DB(ctx, req.Storage)
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if err != nil {
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return nil, err
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}
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// Start a transaction
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tx, err := db.Begin()
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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// Always reset database to default db of connection. Since it is in a
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// transaction, all statements will be on the same connection in the pool.
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roleSQL := fmt.Sprintf("USE [%s]; %s", b.defaultDb, role.SQL)
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// Execute each query
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for _, query := range strutil.ParseArbitraryStringSlice(roleSQL, ";") {
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query = strings.TrimSpace(query)
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if len(query) == 0 {
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continue
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}
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m := map[string]string{
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"name": username,
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"password": password,
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}
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if err := dbtxn.ExecuteTxQuery(ctx, tx, m, query); err != nil {
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return nil, err
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}
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}
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// Commit the transaction
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if err := tx.Commit(); err != nil {
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return nil, err
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}
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// Return the secret
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resp := b.Secret(SecretCredsType).Response(map[string]interface{}{
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"username": username,
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"password": password,
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}, map[string]interface{}{
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"username": username,
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})
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resp.Secret.TTL = leaseConfig.TTL
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resp.Secret.MaxTTL = leaseConfig.TTLMax
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return resp, nil
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}
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const pathCredsCreateHelpSyn = `
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Request database credentials for a certain role.
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`
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const pathCredsCreateHelpDesc = `
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This path reads database credentials for a certain role. The
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database credentials will be generated on demand and will be automatically
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revoked when the lease is up.
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`
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