forked from Deuxfleurs/garage
fix review comments
This commit is contained in:
parent
19ac5ce20f
commit
e0aee72a9c
1 changed files with 187 additions and 184 deletions
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@ -43,7 +43,14 @@ pub async fn handle_post_object(
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let mut multipart = Multipart::with_constraints(body, boundary, constraints);
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let mut params = HeaderMap::new();
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while let Some(field) = multipart.next_field().await? {
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let field = loop {
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let field = if let Some(field) = multipart.next_field().await? {
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field
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} else {
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return Err(Error::BadRequest(
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"Request did not contain a file".to_owned(),
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));
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};
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let name: HeaderName = if let Some(Ok(name)) = field.name().map(TryInto::try_into) {
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name
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} else {
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@ -62,198 +69,194 @@ pub async fn handle_post_object(
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}
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}
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}
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continue;
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}
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// Current part is file. Do some checks before handling to PutObject code
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let key = params
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.get("key")
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.ok_or_bad_request("No key was provided")?
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.to_str()?;
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let credential = params
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.get("x-amz-credential")
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.ok_or_else(|| {
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Error::Forbidden("Garage does not support anonymous access yet".to_string())
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})?
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.to_str()?;
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let policy = params
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.get("policy")
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.ok_or_bad_request("No policy was provided")?
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.to_str()?;
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let signature = params
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.get("x-amz-signature")
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.ok_or_bad_request("No signature was provided")?
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.to_str()?;
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let date = params
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.get("x-amz-date")
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.ok_or_bad_request("No date was provided")?
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.to_str()?;
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let key = if key.contains("${filename}") {
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let filename = field.file_name();
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// is this correct? Maybe we should error instead of default?
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key.replace("${filename}", filename.unwrap_or_default())
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} else {
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key.to_owned()
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};
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let date = parse_date(date)?;
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let api_key = verify_v4(&garage, credential, &date, signature, policy.as_bytes()).await?;
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let bucket_id = resolve_bucket(&garage, &bucket, &api_key).await?;
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if !api_key.allow_write(&bucket_id) {
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return Err(Error::Forbidden(
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"Operation is not allowed for this key.".to_string(),
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));
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break field;
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}
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};
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let decoded_policy = base64::decode(&policy)?;
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let decoded_policy: Policy =
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serde_json::from_slice(&decoded_policy).ok_or_bad_request("Invalid policy")?;
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// Current part is file. Do some checks before handling to PutObject code
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let key = params
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.get("key")
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.ok_or_bad_request("No key was provided")?
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.to_str()?;
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let credential = params
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.get("x-amz-credential")
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.ok_or_else(|| {
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Error::Forbidden("Garage does not support anonymous access yet".to_string())
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})?
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.to_str()?;
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let policy = params
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.get("policy")
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.ok_or_bad_request("No policy was provided")?
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.to_str()?;
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let signature = params
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.get("x-amz-signature")
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.ok_or_bad_request("No signature was provided")?
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.to_str()?;
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let date = params
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.get("x-amz-date")
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.ok_or_bad_request("No date was provided")?
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.to_str()?;
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let expiration: DateTime<Utc> = DateTime::parse_from_rfc3339(&decoded_policy.expiration)
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.ok_or_bad_request("Invalid expiration date")?
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.into();
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if Utc::now() - expiration > Duration::zero() {
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return Err(Error::BadRequest(
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"Expiration date is in the paste".to_string(),
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));
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}
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let key = if key.contains("${filename}") {
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let filename = field.file_name();
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// is this correct? Maybe we should error instead of default?
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key.replace("${filename}", filename.unwrap_or_default())
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} else {
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key.to_owned()
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};
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let conditions = decoded_policy.into_conditions()?;
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let date = parse_date(date)?;
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let api_key = verify_v4(&garage, credential, &date, signature, policy.as_bytes()).await?;
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for (param_key, value) in params.iter() {
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let mut param_key = param_key.to_string();
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param_key.make_ascii_lowercase();
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match param_key.as_str() {
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"policy" | "x-amz-signature" => (), // this is always accepted, as it's required to validate other fields
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"content-type" => {
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for cond in &conditions.content_type {
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let ok = match cond {
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Operation::Equal(s) => value == s,
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Operation::StartsWith(s) => {
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value.to_str()?.split(',').all(|v| v.starts_with(s))
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}
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};
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if !ok {
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return Err(Error::BadRequest(format!(
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"Key '{}' has value not allowed in policy",
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param_key
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)));
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}
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}
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}
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"key" => {
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let conds = conditions.params.get("key").ok_or_else(|| {
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Error::BadRequest(format!("Key '{}' is not allowed in policy", param_key))
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})?;
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for cond in conds {
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let ok = match cond {
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Operation::Equal(s) => s == &key,
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Operation::StartsWith(s) => key.starts_with(s),
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};
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if !ok {
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return Err(Error::BadRequest(format!(
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"Key '{}' has value not allowed in policy",
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param_key
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)));
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}
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}
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}
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_ => {
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let conds = conditions.params.get(¶m_key).ok_or_else(|| {
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Error::BadRequest(format!("Key '{}' is not allowed in policy", param_key))
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})?;
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for cond in conds {
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let ok = match cond {
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Operation::Equal(s) => s == value,
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Operation::StartsWith(s) => value.to_str()?.starts_with(s),
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};
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if !ok {
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return Err(Error::BadRequest(format!(
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"Key '{}' has value not allowed in policy",
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param_key
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)));
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}
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}
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}
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}
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}
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let bucket_id = resolve_bucket(&garage, &bucket, &api_key).await?;
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// TODO check that each policy item is used
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let content_type = field
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.content_type()
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.map(AsRef::as_ref)
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.map(HeaderValue::from_str)
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.transpose()
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.ok_or_bad_request("Invalid content type")?
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.unwrap_or_else(|| HeaderValue::from_static("blob"));
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params.append(header::CONTENT_TYPE, content_type);
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let headers = get_headers(¶ms)?;
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let stream = field.map(|r| r.map_err(Into::into));
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let (_, md5) = save_stream(
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garage,
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headers,
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StreamLimiter::new(stream, conditions.content_length),
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bucket_id,
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&key,
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None,
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None,
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)
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.await?;
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let etag = format!("\"{}\"", md5);
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// TODO get uri
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// get Host
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// append www-form-urlencoded key
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let location = "todo";
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let resp = if let Some(mut target) = params
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.get("success_action_redirect")
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.and_then(|h| h.to_str().ok())
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.and_then(|u| url::Url::parse(u).ok())
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.filter(|u| u.scheme() == "https" || u.scheme() == "http")
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{
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target
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.query_pairs_mut()
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.append_pair("bucket", &bucket)
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.append_pair("key", &key)
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.append_pair("etag", &etag);
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let target = target.to_string();
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Response::builder()
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.status(StatusCode::SEE_OTHER)
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.header(header::LOCATION, target.clone())
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.header(header::ETAG, etag)
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.body(target.into())?
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} else {
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let action = params
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.get("success_action_status")
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.and_then(|h| h.to_str().ok())
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.unwrap_or("204");
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let builder = Response::builder()
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.status(StatusCode::OK)
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.header(header::LOCATION, location)
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.header(header::ETAG, etag);
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match action {
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"200" => builder.status(StatusCode::OK).body(Body::empty())?,
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"201" => {
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// TODO body should be an XML document, not sure which yet
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builder.status(StatusCode::CREATED).body(Body::from(""))?
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}
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_ => builder.status(StatusCode::NO_CONTENT).body(Body::empty())?,
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}
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};
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return Ok(resp);
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if !api_key.allow_write(&bucket_id) {
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return Err(Error::Forbidden(
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"Operation is not allowed for this key.".to_string(),
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));
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}
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Err(Error::BadRequest(
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"Request did not contain a file".to_owned(),
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))
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let decoded_policy = base64::decode(&policy)?;
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let decoded_policy: Policy =
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serde_json::from_slice(&decoded_policy).ok_or_bad_request("Invalid policy")?;
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let expiration: DateTime<Utc> = DateTime::parse_from_rfc3339(&decoded_policy.expiration)
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.ok_or_bad_request("Invalid expiration date")?
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.into();
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if Utc::now() - expiration > Duration::zero() {
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return Err(Error::BadRequest(
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"Expiration date is in the paste".to_string(),
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));
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}
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let conditions = decoded_policy.into_conditions()?;
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for (param_key, value) in params.iter() {
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let mut param_key = param_key.to_string();
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param_key.make_ascii_lowercase();
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match param_key.as_str() {
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"policy" | "x-amz-signature" => (), // this is always accepted, as it's required to validate other fields
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"content-type" => {
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for cond in &conditions.content_type {
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let ok = match cond {
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Operation::Equal(s) => value == s,
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Operation::StartsWith(s) => {
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value.to_str()?.split(',').all(|v| v.starts_with(s))
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}
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};
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if !ok {
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return Err(Error::BadRequest(format!(
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"Key '{}' has value not allowed in policy",
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param_key
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)));
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}
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}
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}
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"key" => {
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let conds = conditions.params.get("key").ok_or_else(|| {
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Error::BadRequest(format!("Key '{}' is not allowed in policy", param_key))
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})?;
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for cond in conds {
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let ok = match cond {
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Operation::Equal(s) => s == &key,
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Operation::StartsWith(s) => key.starts_with(s),
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};
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if !ok {
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return Err(Error::BadRequest(format!(
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"Key '{}' has value not allowed in policy",
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param_key
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)));
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}
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}
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}
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_ => {
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let conds = conditions.params.get(¶m_key).ok_or_else(|| {
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Error::BadRequest(format!("Key '{}' is not allowed in policy", param_key))
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})?;
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for cond in conds {
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let ok = match cond {
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Operation::Equal(s) => s == value,
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Operation::StartsWith(s) => value.to_str()?.starts_with(s),
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};
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if !ok {
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return Err(Error::BadRequest(format!(
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"Key '{}' has value not allowed in policy",
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param_key
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)));
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}
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}
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}
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}
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}
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// TODO check that each policy item is used
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let content_type = field
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.content_type()
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.map(AsRef::as_ref)
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.map(HeaderValue::from_str)
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.transpose()
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.ok_or_bad_request("Invalid content type")?
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.unwrap_or_else(|| HeaderValue::from_static("blob"));
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params.append(header::CONTENT_TYPE, content_type);
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let headers = get_headers(¶ms)?;
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let stream = field.map(|r| r.map_err(Into::into));
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let (_, md5) = save_stream(
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garage,
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headers,
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StreamLimiter::new(stream, conditions.content_length),
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bucket_id,
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&key,
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None,
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None,
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)
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.await?;
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let etag = format!("\"{}\"", md5);
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// TODO get uri
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// get Host
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// append www-form-urlencoded key
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let location = "todo";
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let resp = if let Some(mut target) = params
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.get("success_action_redirect")
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.and_then(|h| h.to_str().ok())
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.and_then(|u| url::Url::parse(u).ok())
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.filter(|u| u.scheme() == "https" || u.scheme() == "http")
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{
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target
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.query_pairs_mut()
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.append_pair("bucket", &bucket)
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.append_pair("key", &key)
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.append_pair("etag", &etag);
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let target = target.to_string();
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Response::builder()
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.status(StatusCode::SEE_OTHER)
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.header(header::LOCATION, target.clone())
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.header(header::ETAG, etag)
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.body(target.into())?
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} else {
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let action = params
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.get("success_action_status")
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.and_then(|h| h.to_str().ok())
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.unwrap_or("204");
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let builder = Response::builder()
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.header(header::LOCATION, location)
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.header(header::ETAG, etag);
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match action {
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"200" => builder.status(StatusCode::OK).body(Body::empty())?,
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"201" => {
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// TODO body should be an XML document, not sure which yet
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builder.status(StatusCode::CREATED).body(Body::from(""))?
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}
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_ => builder.status(StatusCode::NO_CONTENT).body(Body::empty())?,
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}
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};
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Ok(resp)
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}
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#[derive(Deserialize)]
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