5b0d3e5052
MCP connectors such as ChatGPT and Claude register via HTTPS client_id URLs instead of pre-provisioned GIDs. Fetch and cache their metadata documents, upsert clients on first use, and advertise CIMD in OIDC discovery when allowed URLs are configured. Signed-off-by: Bryan Frimin <bryan@probo.com>
614 lines
14 KiB
Go
614 lines
14 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@probo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package coredata
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import (
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"context"
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"errors"
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"fmt"
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"maps"
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"slices"
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"time"
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"github.com/jackc/pgx/v5"
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"go.gearno.de/kit/pg"
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"go.probo.inc/probo/pkg/gid"
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"go.probo.inc/probo/pkg/iam/policy"
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"go.probo.inc/probo/pkg/page"
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"go.probo.inc/probo/pkg/uri"
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)
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type (
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OAuth2Client struct {
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ID gid.GID `db:"id"`
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ExternalClientID string `db:"external_client_id"`
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OrganizationID *gid.GID `db:"organization_id"`
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ClientSecretHash []byte `db:"client_secret_hash"`
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ClientName string `db:"client_name"`
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Visibility OAuth2ClientVisibility `db:"visibility"`
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RedirectURIs []uri.URI `db:"redirect_uris"`
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Scopes OAuth2Scopes `db:"scopes"`
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GrantTypes OAuth2GrantTypes `db:"grant_types"`
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ResponseTypes OAuth2ResponseTypes `db:"response_types"`
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TokenEndpointAuthMethod OAuth2ClientTokenEndpointAuthMethod `db:"token_endpoint_auth_method"`
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LogoURI *uri.URI `db:"logo_uri"`
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ClientURI *uri.URI `db:"client_uri"`
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Contacts []string `db:"contacts"`
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CreatedAt time.Time `db:"created_at"`
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UpdatedAt time.Time `db:"updated_at"`
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}
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OAuth2Clients []*OAuth2Client
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)
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func (c *OAuth2Client) IsRedirectURIAllowed(rawURI string) bool {
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return slices.Contains(c.RedirectURIs, uri.URI(rawURI))
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}
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func (c *OAuth2Client) HasGrantType(grantType OAuth2GrantType) bool {
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return slices.Contains(c.GrantTypes, grantType)
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}
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func (c *OAuth2Client) AreScopesAllowed(scopes OAuth2Scopes) bool {
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return c.Scopes.ContainsAll(scopes.Values())
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}
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func (c *OAuth2Client) CursorKey(orderBy OAuth2ClientOrderField) page.CursorKey {
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switch orderBy {
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case OAuth2ClientOrderFieldCreatedAt:
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return page.NewCursorKey(c.ID, c.CreatedAt)
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}
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panic(fmt.Sprintf("unsupported order by: %s", orderBy))
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}
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func (c *OAuth2Client) AuthorizationAttributes(
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ctx context.Context,
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conn pg.Querier,
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resourceIDs []gid.GID,
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) (policy.AttributesByID, error) {
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q := `
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SELECT
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id,
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organization_id
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FROM
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iam_oauth2_clients
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WHERE
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id = ANY(@resource_ids::text[])
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`
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args := pgx.StrictNamedArgs{
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"resource_ids": resourceIDs,
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}
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rows, err := conn.Query(ctx, q, args)
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if err != nil {
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return nil, fmt.Errorf("cannot query oauth2 client authorization attributes: %w", err)
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}
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defer rows.Close()
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attrsByID := make(policy.AttributesByID, len(resourceIDs))
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for rows.Next() {
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var (
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id gid.GID
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organizationID *gid.GID
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)
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err = rows.Scan(&id, &organizationID)
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if err != nil {
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return nil, fmt.Errorf("cannot scan oauth2 client authorization attributes: %w", err)
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}
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attrs := make(map[string]string)
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if organizationID != nil {
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attrs["organization_id"] = organizationID.String()
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}
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attrsByID[id] = attrs
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}
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if err = rows.Err(); err != nil {
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return nil, fmt.Errorf("cannot iterate oauth2 client authorization attributes: %w", err)
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}
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return attrsByID, nil
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}
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func (c *OAuth2Client) LoadByID(
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ctx context.Context,
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conn pg.Querier,
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scope Scoper,
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clientID gid.GID,
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) error {
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q := `
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SELECT
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id,
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organization_id,
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client_secret_hash,
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client_name,
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visibility,
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redirect_uris,
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scopes,
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grant_types,
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response_types,
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token_endpoint_auth_method,
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logo_uri,
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client_uri,
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contacts,
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created_at,
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updated_at
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FROM
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iam_oauth2_clients
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WHERE
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%s
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AND id = @id
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LIMIT 1;
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`
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q = fmt.Sprintf(q, scope.SQLFragment())
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args := pgx.StrictNamedArgs{"id": clientID}
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maps.Copy(args, scope.SQLArguments())
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rows, err := conn.Query(ctx, q, args)
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if err != nil {
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return fmt.Errorf("cannot query iam_oauth2_clients: %w", err)
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}
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client, err := pgx.CollectExactlyOneRow(rows, pgx.RowToStructByName[OAuth2Client])
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return ErrResourceNotFound
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}
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return fmt.Errorf("cannot collect oauth2_client: %w", err)
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}
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*c = client
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return nil
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}
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func (c *OAuth2Client) LoadByExternalClientID(
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ctx context.Context,
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conn pg.Querier,
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externalClientID string,
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) error {
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q := `
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SELECT
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id,
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organization_id,
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client_secret_hash,
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client_name,
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visibility,
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redirect_uris,
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scopes,
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grant_types,
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response_types,
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token_endpoint_auth_method,
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logo_uri,
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client_uri,
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contacts,
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created_at,
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updated_at
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FROM
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iam_oauth2_clients
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WHERE
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external_client_id = @external_client_id
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LIMIT 1;
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`
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args := pgx.StrictNamedArgs{"external_client_id": externalClientID}
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rows, err := conn.Query(ctx, q, args)
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if err != nil {
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return fmt.Errorf("cannot query iam_oauth2_clients by external_client_id: %w", err)
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}
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client, err := pgx.CollectExactlyOneRow(rows, pgx.RowToStructByName[OAuth2Client])
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return ErrResourceNotFound
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}
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return fmt.Errorf("cannot collect oauth2_client: %w", err)
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}
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*c = client
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return nil
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}
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func (c *OAuth2Clients) LoadByOrganizationID(
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ctx context.Context,
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conn pg.Querier,
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scope Scoper,
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organizationID gid.GID,
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cursor *page.Cursor[OAuth2ClientOrderField],
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) error {
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q := `
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SELECT
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id,
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organization_id,
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client_secret_hash,
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client_name,
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visibility,
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redirect_uris,
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scopes,
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grant_types,
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response_types,
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token_endpoint_auth_method,
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logo_uri,
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client_uri,
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contacts,
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created_at,
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updated_at
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FROM
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iam_oauth2_clients
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WHERE
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%s
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AND organization_id = @organization_id
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AND %s
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`
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q = fmt.Sprintf(
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q,
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scope.SQLFragment(),
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cursor.SQLFragment(),
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)
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args := pgx.StrictNamedArgs{"organization_id": organizationID}
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maps.Copy(args, scope.SQLArguments())
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maps.Copy(args, cursor.SQLArguments())
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rows, err := conn.Query(ctx, q, args)
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if err != nil {
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return fmt.Errorf("cannot query iam_oauth2_clients: %w", err)
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}
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clients, err := pgx.CollectRows(rows, pgx.RowToAddrOfStructByName[OAuth2Client])
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if err != nil {
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return fmt.Errorf("cannot collect oauth2_clients: %w", err)
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}
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*c = clients
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return nil
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}
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func (c *OAuth2Clients) CountByOrganizationID(
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ctx context.Context,
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conn pg.Querier,
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scope Scoper,
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organizationID gid.GID,
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) (int, error) {
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q := `
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SELECT
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COUNT(id)
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FROM
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iam_oauth2_clients
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WHERE
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%s
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AND organization_id = @organization_id;
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`
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q = fmt.Sprintf(q, scope.SQLFragment())
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args := pgx.StrictNamedArgs{"organization_id": organizationID}
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maps.Copy(args, scope.SQLArguments())
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var count int
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if err := conn.QueryRow(ctx, q, args).Scan(&count); err != nil {
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return 0, fmt.Errorf("cannot count oauth2_clients: %w", err)
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}
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return count, nil
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}
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func (c *OAuth2Client) Insert(
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ctx context.Context,
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conn pg.Tx,
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scope Scoper,
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) error {
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q := `
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INSERT INTO iam_oauth2_clients (
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id,
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tenant_id,
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organization_id,
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client_secret_hash,
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client_name,
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visibility,
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redirect_uris,
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scopes,
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grant_types,
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response_types,
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token_endpoint_auth_method,
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logo_uri,
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client_uri,
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contacts,
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created_at,
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updated_at
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) VALUES (
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@id,
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@tenant_id,
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@organization_id,
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@client_secret_hash,
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@client_name,
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@visibility,
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@redirect_uris,
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@scopes,
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@grant_types,
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@response_types,
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@token_endpoint_auth_method,
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@logo_uri,
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@client_uri,
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@contacts,
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@created_at,
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@updated_at
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)
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`
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args := pgx.StrictNamedArgs{
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"id": c.ID,
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"tenant_id": scope.GetTenantID(),
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"organization_id": c.OrganizationID,
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"client_secret_hash": c.ClientSecretHash,
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"client_name": c.ClientName,
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"visibility": c.Visibility,
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"redirect_uris": c.RedirectURIs,
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"scopes": c.Scopes,
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"grant_types": c.GrantTypes,
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"response_types": c.ResponseTypes,
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"token_endpoint_auth_method": c.TokenEndpointAuthMethod,
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"logo_uri": c.LogoURI,
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"client_uri": c.ClientURI,
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"contacts": c.Contacts,
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"created_at": c.CreatedAt,
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"updated_at": c.UpdatedAt,
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}
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_, err := conn.Exec(ctx, q, args)
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if err != nil {
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return fmt.Errorf("cannot insert oauth2_client: %w", err)
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}
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return nil
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}
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func (c *OAuth2Client) UpsertCIMD(
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ctx context.Context,
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conn pg.Tx,
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) error {
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q := `
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INSERT INTO iam_oauth2_clients (
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id,
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tenant_id,
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organization_id,
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external_client_id,
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client_secret_hash,
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client_name,
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visibility,
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redirect_uris,
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scopes,
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grant_types,
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response_types,
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token_endpoint_auth_method,
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logo_uri,
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client_uri,
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contacts,
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created_at,
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updated_at
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) VALUES (
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@id,
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NULL,
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NULL,
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@external_client_id,
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@client_secret_hash,
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@client_name,
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@visibility,
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@redirect_uris,
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@scopes,
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@grant_types,
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@response_types,
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@token_endpoint_auth_method,
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@logo_uri,
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@client_uri,
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@contacts,
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@created_at,
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@updated_at
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)
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ON CONFLICT (external_client_id) WHERE external_client_id IS NOT NULL DO UPDATE SET
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client_name = EXCLUDED.client_name,
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redirect_uris = EXCLUDED.redirect_uris,
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grant_types = EXCLUDED.grant_types,
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response_types = EXCLUDED.response_types,
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token_endpoint_auth_method = EXCLUDED.token_endpoint_auth_method,
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logo_uri = EXCLUDED.logo_uri,
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client_uri = EXCLUDED.client_uri,
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updated_at = EXCLUDED.updated_at
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RETURNING
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id,
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external_client_id,
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organization_id,
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client_secret_hash,
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client_name,
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visibility,
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redirect_uris,
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scopes,
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grant_types,
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response_types,
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token_endpoint_auth_method,
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logo_uri,
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client_uri,
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contacts,
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created_at,
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updated_at
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`
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args := pgx.StrictNamedArgs{
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"id": c.ID,
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"external_client_id": c.ExternalClientID,
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"client_secret_hash": c.ClientSecretHash,
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"client_name": c.ClientName,
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"visibility": c.Visibility,
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"redirect_uris": c.RedirectURIs,
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"scopes": c.Scopes,
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"grant_types": c.GrantTypes,
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"response_types": c.ResponseTypes,
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"token_endpoint_auth_method": c.TokenEndpointAuthMethod,
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"logo_uri": c.LogoURI,
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"client_uri": c.ClientURI,
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"contacts": c.Contacts,
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"created_at": c.CreatedAt,
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"updated_at": c.UpdatedAt,
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}
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rows, err := conn.Query(ctx, q, args)
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if err != nil {
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return fmt.Errorf("cannot upsert cimd oauth2_client: %w", err)
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}
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defer rows.Close()
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row, err := pgx.CollectExactlyOneRow(rows, pgx.RowToStructByName[OAuth2Client])
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if err != nil {
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return fmt.Errorf("cannot collect upsert result: %w", err)
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}
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*c = row
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return nil
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}
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func (c *OAuth2Client) Update(
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ctx context.Context,
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conn pg.Tx,
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scope Scoper,
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) error {
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q := `
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UPDATE iam_oauth2_clients
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SET
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client_name = @client_name,
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visibility = @visibility,
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redirect_uris = @redirect_uris,
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scopes = @scopes,
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grant_types = @grant_types,
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response_types = @response_types,
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token_endpoint_auth_method = @token_endpoint_auth_method,
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logo_uri = @logo_uri,
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client_uri = @client_uri,
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contacts = @contacts,
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updated_at = @updated_at
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WHERE
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%s
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AND id = @id
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`
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q = fmt.Sprintf(q, scope.SQLFragment())
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args := pgx.StrictNamedArgs{
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"id": c.ID,
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"client_name": c.ClientName,
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"visibility": c.Visibility,
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"redirect_uris": c.RedirectURIs,
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"scopes": c.Scopes,
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"grant_types": c.GrantTypes,
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"response_types": c.ResponseTypes,
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"token_endpoint_auth_method": c.TokenEndpointAuthMethod,
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"logo_uri": c.LogoURI,
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"client_uri": c.ClientURI,
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"contacts": c.Contacts,
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"updated_at": c.UpdatedAt,
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}
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maps.Copy(args, scope.SQLArguments())
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_, err := conn.Exec(ctx, q, args)
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if err != nil {
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return fmt.Errorf("cannot update oauth2_client: %w", err)
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}
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return nil
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}
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|
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func (c *OAuth2Client) Delete(
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ctx context.Context,
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conn pg.Tx,
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scope Scoper,
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) error {
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q := `
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DELETE FROM iam_oauth2_clients
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WHERE
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%s
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AND id = @id
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`
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|
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q = fmt.Sprintf(q, scope.SQLFragment())
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args := pgx.StrictNamedArgs{"id": c.ID}
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maps.Copy(args, scope.SQLArguments())
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_, err := conn.Exec(ctx, q, args)
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if err != nil {
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return fmt.Errorf("cannot delete oauth2_client: %w", err)
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}
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return nil
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}
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|
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func NewCIMDClient(
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externalClientID string,
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|
name string,
|
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redirectURIs []string,
|
|
scopes OAuth2Scopes,
|
|
logoURI, clientURI *string,
|
|
now time.Time,
|
|
) (*OAuth2Client, error) {
|
|
uris := make([]uri.URI, 0, len(redirectURIs))
|
|
for _, raw := range redirectURIs {
|
|
uris = append(uris, uri.URI(raw))
|
|
}
|
|
|
|
client := &OAuth2Client{
|
|
ID: gid.New(gid.NewTenantID(), OAuth2ClientEntityType),
|
|
ExternalClientID: externalClientID,
|
|
ClientName: name,
|
|
Visibility: OAuth2ClientVisibilityPublic,
|
|
RedirectURIs: uris,
|
|
Scopes: scopes,
|
|
GrantTypes: OAuth2GrantTypes{
|
|
OAuth2GrantTypeAuthorizationCode,
|
|
OAuth2GrantTypeRefreshToken,
|
|
},
|
|
ResponseTypes: OAuth2ResponseTypes{
|
|
OAuth2ResponseTypeCode,
|
|
},
|
|
TokenEndpointAuthMethod: OAuth2ClientTokenEndpointAuthMethodNone,
|
|
CreatedAt: now,
|
|
UpdatedAt: now,
|
|
}
|
|
|
|
if logoURI != nil && *logoURI != "" {
|
|
u := uri.URI(*logoURI)
|
|
client.LogoURI = &u
|
|
}
|
|
|
|
if clientURI != nil && *clientURI != "" {
|
|
u := uri.URI(*clientURI)
|
|
client.ClientURI = &u
|
|
}
|
|
|
|
return client, nil
|
|
}
|