95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
package repository
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import (
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"context"
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"fmt"
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"net/url"
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"time"
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"github.com/Wei-Shaw/sub2api/internal/pkg/openai"
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"github.com/Wei-Shaw/sub2api/internal/service/ports"
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"github.com/imroc/req/v3"
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)
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// NewOpenAIOAuthClient creates a new OpenAI OAuth client
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func NewOpenAIOAuthClient() ports.OpenAIOAuthClient {
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return &openaiOAuthService{tokenURL: openai.TokenURL}
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}
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type openaiOAuthService struct {
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tokenURL string
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}
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func (s *openaiOAuthService) ExchangeCode(ctx context.Context, code, codeVerifier, redirectURI, proxyURL string) (*openai.TokenResponse, error) {
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client := createOpenAIReqClient(proxyURL)
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if redirectURI == "" {
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redirectURI = openai.DefaultRedirectURI
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}
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formData := url.Values{}
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formData.Set("grant_type", "authorization_code")
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formData.Set("client_id", openai.ClientID)
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formData.Set("code", code)
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formData.Set("redirect_uri", redirectURI)
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formData.Set("code_verifier", codeVerifier)
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var tokenResp openai.TokenResponse
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resp, err := client.R().
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SetContext(ctx).
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SetFormDataFromValues(formData).
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SetSuccessResult(&tokenResp).
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Post(s.tokenURL)
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if err != nil {
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return nil, fmt.Errorf("request failed: %w", err)
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}
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if !resp.IsSuccessState() {
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return nil, fmt.Errorf("token exchange failed: status %d, body: %s", resp.StatusCode, resp.String())
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}
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return &tokenResp, nil
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}
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func (s *openaiOAuthService) RefreshToken(ctx context.Context, refreshToken, proxyURL string) (*openai.TokenResponse, error) {
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client := createOpenAIReqClient(proxyURL)
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formData := url.Values{}
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formData.Set("grant_type", "refresh_token")
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formData.Set("refresh_token", refreshToken)
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formData.Set("client_id", openai.ClientID)
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formData.Set("scope", openai.RefreshScopes)
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var tokenResp openai.TokenResponse
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resp, err := client.R().
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SetContext(ctx).
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SetFormDataFromValues(formData).
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SetSuccessResult(&tokenResp).
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Post(s.tokenURL)
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if err != nil {
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return nil, fmt.Errorf("request failed: %w", err)
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}
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if !resp.IsSuccessState() {
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return nil, fmt.Errorf("token refresh failed: status %d, body: %s", resp.StatusCode, resp.String())
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}
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return &tokenResp, nil
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}
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func createOpenAIReqClient(proxyURL string) *req.Client {
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client := req.C().
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SetTimeout(60 * time.Second)
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if proxyURL != "" {
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client.SetProxyURL(proxyURL)
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}
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return client
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}
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