152 lines
4.0 KiB
Go
152 lines
4.0 KiB
Go
// Copyright (c) 2025 Probo Inc <hello@getprobo.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 trust
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import (
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"context"
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"fmt"
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"io"
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"github.com/aws/aws-sdk-go-v2/service/s3"
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"go.gearno.de/kit/pg"
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"go.probo.inc/probo/pkg/coredata"
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"go.probo.inc/probo/pkg/gid"
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"go.probo.inc/probo/pkg/mail"
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"go.probo.inc/probo/pkg/page"
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"go.probo.inc/probo/pkg/watermarkpdf"
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)
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type TrustCenterFileService struct {
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svc *TenantService
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}
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func (s *TrustCenterFileService) Get(
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ctx context.Context,
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trustCenterFileID gid.GID,
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) (*coredata.TrustCenterFile, error) {
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trustCenterFile := &coredata.TrustCenterFile{}
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err := s.svc.pg.WithConn(
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ctx,
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func(conn pg.Conn) error {
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err := trustCenterFile.LoadByID(ctx, conn, s.svc.scope, trustCenterFileID)
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if err != nil {
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return fmt.Errorf("cannot load trust center file: %w", err)
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}
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return nil
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},
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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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return trustCenterFile, nil
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}
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func (s *TrustCenterFileService) ListForOrganizationId(
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ctx context.Context,
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organizationID gid.GID,
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cursor *page.Cursor[coredata.TrustCenterFileOrderField],
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filter *coredata.TrustCenterFileFilter,
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) (*page.Page[*coredata.TrustCenterFile, coredata.TrustCenterFileOrderField], error) {
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var trustCenterFiles coredata.TrustCenterFiles
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err := s.svc.pg.WithConn(
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ctx,
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func(conn pg.Conn) error {
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err := trustCenterFiles.LoadByOrganizationID(ctx, conn, s.svc.scope, organizationID, cursor, filter)
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if err != nil {
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return fmt.Errorf("cannot load trust center files: %w", err)
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}
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return nil
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},
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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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return page.NewPage(trustCenterFiles, cursor), nil
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}
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func (s *TrustCenterFileService) ExportFile(
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ctx context.Context,
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trustCenterFileID gid.GID,
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email mail.Addr,
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) ([]byte, error) {
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pdfData, err := s.exportFileData(ctx, trustCenterFileID)
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if err != nil {
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return nil, fmt.Errorf("cannot export trust center file: %w", err)
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}
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watermarkedPDF, err := watermarkpdf.AddConfidentialWithTimestamp(pdfData, email)
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if err != nil {
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return nil, fmt.Errorf("cannot add watermark to PDF: %w", err)
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}
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return watermarkedPDF, nil
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}
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func (s *TrustCenterFileService) ExportFileWithoutWatermark(
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ctx context.Context,
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trustCenterFileID gid.GID,
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) ([]byte, error) {
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return s.exportFileData(ctx, trustCenterFileID)
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}
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func (s *TrustCenterFileService) exportFileData(
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ctx context.Context,
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trustCenterFileID gid.GID,
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) ([]byte, error) {
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var trustCenterFile *coredata.TrustCenterFile
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var file *coredata.File
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err := s.svc.pg.WithConn(ctx, func(conn pg.Conn) error {
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trustCenterFile = &coredata.TrustCenterFile{}
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if err := trustCenterFile.LoadByID(ctx, conn, s.svc.scope, trustCenterFileID); err != nil {
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return fmt.Errorf("cannot load trust center file: %w", err)
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}
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file = &coredata.File{}
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if err := file.LoadByID(ctx, conn, s.svc.scope, trustCenterFile.FileID); err != nil {
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return fmt.Errorf("cannot load file: %w", err)
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}
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return nil
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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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result, err := s.svc.s3.GetObject(ctx, &s3.GetObjectInput{
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Bucket: new(s.svc.bucket),
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Key: new(file.FileKey),
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})
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if err != nil {
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return nil, fmt.Errorf("cannot download file from S3: %w", err)
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}
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defer func() { _ = result.Body.Close() }()
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fileData, err := io.ReadAll(result.Body)
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if err != nil {
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return nil, fmt.Errorf("cannot read file data: %w", err)
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}
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return fileData, nil
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}
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