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tapir/internal/web/uploads_badinput_handler_test.go
T

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package web_test
import (
"bytes"
"context"
"io"
"log/slog"
"net/http"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// Input that cannot be right is the caller's to fix: a 4xx, never a 500 (adversarial
// review F7). No cross-tenant oracle either way: unknown and foreign ids look the same.
func TestUploadRoutes_ANonUUIDIdIs404NotA500(t *testing.T) {
app, _ := newUploadApp(t, audioOK, 200<<20)
for _, path := range []string{"/uploads/not-a-uuid", "/uploads/not-a-uuid/status", "/uploads/not-a-uuid/chat", "/uploads/%00/status", "/uploads/1/status"} {
t.Run(path, func(t *testing.T) {
rec := do(t, app, get(path))
assert.Equal(t, http.StatusNotFound, rec.Code)
})
}
}
func TestUploadPost_ATitleWithControlCharactersOrInvalidUTF8IsCleanedNotA500(t *testing.T) {
tests := []struct{ name, title, filename string }{
{"a NUL in the title", "Sprint\x00review", "a.m4a"},
{"invalid UTF-8 in the title", "Sprint \xff\xfe review", "a.m4a"},
{"a newline in the title", "Sprint\nreview", "a.m4a"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
app, sub := newUploadApp(t, audioOK, 200<<20)
rec := do(t, app, uploadReq(t, tt.title, tt.filename, []byte("synthetic audio bytes")))
require.Equal(t, http.StatusSeeOther, rec.Code, "bad bytes in a cosmetic title must not fail the upload: %s", body(t, rec))
require.Len(t, sub.jobs, 1)
var title string
require.NoError(t, rawPool(t).QueryRow(context.Background(), `SELECT title FROM uploaded_transcripts WHERE id = $1`, sub.jobs[0].UploadID).Scan(&title))
assert.NotContains(t, title, "\x00")
assert.NotContains(t, title, "\n")
assert.True(t, len(title) > 0, "a title is still shown")
})
}
}
func TestUploadPost_AMalformedMultipartHeaderIsA400AndItsTextIsNotLogged(t *testing.T) {
// A control byte in the part's file name makes the multipart body malformed. It is the
// sender's to fix, and the parser's error quotes the header, which carries the name.
app, sub := newUploadApp(t, audioOK, 200<<20)
buf := &lockedBuf{}
app.Log = slog.New(slog.NewTextHandler(buf, nil))
rec := do(t, app, uploadReq(t, "", "zebrakaka\x00weekly.m4a", []byte("x")))
assert.Equal(t, http.StatusBadRequest, rec.Code)
assert.Empty(t, sub.jobs)
assert.NotContains(t, buf.String(), "zebrakaka", "a file name is private content")
}
func TestUploadPost_ABodyCutOffInsideTheFilePartIsA400NotA500(t *testing.T) {
app, sub := newUploadApp(t, audioOK, 200<<20)
req := uploadReq(t, "t", "a.m4a", bytes.Repeat([]byte("a"), 4096))
raw, err := io.ReadAll(req.Body)
require.NoError(t, err)
req.Body = io.NopCloser(bytes.NewReader(raw[:len(raw)-2000])) // the sender hung up mid-file
buf := &lockedBuf{}
app.Log = slog.New(slog.NewTextHandler(buf, nil))
rec := do(t, app, req)
assert.Equal(t, http.StatusBadRequest, rec.Code, "a connection that drops mid-upload is the sender's to retry, not a server fault")
assert.Empty(t, sub.jobs)
assert.NotContains(t, buf.String(), "level=ERROR")
}
func TestUploadPost_BidirectionalControlCharactersAreStrippedFromATitle(t *testing.T) {
// U+202E reverses the text that follows it, so a title could render reversed on its
// owner's own page (second adversarial review).
app, sub := newUploadApp(t, audioOK, 200<<20)
rec := do(t, app, uploadReq(t, "Sprint ‮review ⁦x⁩ ‏ok", "a.m4a", []byte("x")))
require.Equal(t, http.StatusSeeOther, rec.Code)
var title string
require.NoError(t, rawPool(t).QueryRow(context.Background(), `SELECT title FROM uploaded_transcripts WHERE id = $1`, sub.jobs[0].UploadID).Scan(&title))
for _, r := range []string{"‮", "⁦", "⁩", "‏"} {
assert.NotContains(t, title, r)
}
assert.Contains(t, title, "Sprint")
assert.Contains(t, title, "review")
}
func TestUploadPost_SwedishLettersAndEmojiSurviveTheTitleCleaning(t *testing.T) {
app, sub := newUploadApp(t, audioOK, 200<<20)
rec := do(t, app, uploadReq(t, "Möte åäö 🎙️", "a.m4a", []byte("x")))
require.Equal(t, http.StatusSeeOther, rec.Code)
var title string
require.NoError(t, rawPool(t).QueryRow(context.Background(), `SELECT title FROM uploaded_transcripts WHERE id = $1`, sub.jobs[0].UploadID).Scan(&title))
assert.Equal(t, "Möte åäö 🎙️", title)
}