SQS: Support JSON format (#6331)

.github/workflows/test_sqs.yml

@@ -0,0 +1,39 @@
+# Run separate test cases to verify SQS works with multiple botocore versions (/multiple response-types, QUERY and JSON)
+#
+name: "SQS Tests"
+
+on:
+  pull_request:
+    types: [ labeled ]
+
+jobs:
+  test:
+    if: ${{ github.event.label.name == 'service-sqs' }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "3.11" ]
+        botocore-version: ["1.29.126", "1.29.127", "1.29.128"]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Update pip
+      run: |
+        python -m pip install --upgrade pip
+
+    - name: Install project dependencies
+      run: |
+        pip install -r requirements-dev.txt
+        pip install botocore==${{ matrix.botocore-version }}
+
+    - name: Run tests
+      run: |
+        pytest -sv tests/test_sqs

moto/core/exceptions.py

@@ -84,6 +84,11 @@ class RESTError(HTTPException):
     ) -> str:
         return self.description  # type: ignore[return-value]
 
+    def to_json(self) -> "JsonRESTError":
+        err = JsonRESTError(error_type=self.error_type, message=self.message)
+        err.code = self.code
+        return err
+
 
 class DryRunClientError(RESTError):
     code = 412

moto/sqs/models.py

@@ -162,6 +162,10 @@ class Message(BaseModel):
     def body(self) -> str:
         return escape(self._body).replace('"', """).replace("\r", "
")
 
+    @property
+    def original_body(self) -> str:
+        return self._body
+
     def mark_sent(self, delay_seconds: Optional[int] = None) -> None:
         self.sent_timestamp = int(unix_time_millis())  # type: ignore
         if delay_seconds:
@@ -1030,7 +1034,7 @@ class SQSBackend(BaseBackend):
                 errors.append(
                     {
                         "Id": receipt_and_id["msg_user_id"],
-                        "SenderFault": "true",
+                        "SenderFault": True,
                         "Code": "ReceiptHandleIsInvalid",
                         "Message": f'The input receipt handle "{receipt_and_id["receipt_handle"]}" is not a valid receipt handle.',
                     }

moto/sqs/responses.py

@@ -1,11 +1,18 @@
+import json
 import re
-from typing import Any, Dict, Optional, Tuple, Union
+from functools import wraps
+from typing import Any, Callable, Dict, Optional, Union
 
 from moto.core.common_types import TYPE_RESPONSE
-from moto.core.exceptions import RESTError
+from moto.core.exceptions import JsonRESTError
 from moto.core.responses import BaseResponse
-from moto.core.utils import underscores_to_camelcase, camelcase_to_pascal
+from moto.core.utils import (
+    underscores_to_camelcase,
+    camelcase_to_pascal,
+    camelcase_to_underscores,
+)
 from moto.utilities.aws_headers import amz_crc32, amzn_request_id
+from moto.utilities.constants import JSON_TYPES
 from urllib.parse import urlparse
 
 from .constants import (
@@ -14,12 +21,36 @@ from .constants import (
     MAXIMUM_VISIBILITY_TIMEOUT,
 )
 from .exceptions import (
+    RESTError,
     EmptyBatchRequest,
     InvalidAttributeName,
     BatchEntryIdsNotDistinct,
 )
 from .models import sqs_backends, SQSBackend
-from .utils import parse_message_attributes, extract_input_message_attributes
+from .utils import (
+    parse_message_attributes,
+    extract_input_message_attributes,
+    validate_message_attributes,
+)
+
+
+def jsonify_error(
+    method: Callable[["SQSResponse"], Union[str, TYPE_RESPONSE]]
+) -> Callable[["SQSResponse"], Union[str, TYPE_RESPONSE]]:
+    """
+    The decorator to convert an RESTError to JSON, if necessary
+    """
+
+    @wraps(method)
+    def f(self: "SQSResponse") -> Union[str, TYPE_RESPONSE]:
+        try:
+            return method(self)
+        except RESTError as e:
+            if self.is_json():
+                raise e.to_json()
+            raise e
+
+    return f
 
 
 class SQSResponse(BaseResponse):
@@ -29,12 +60,29 @@ class SQSResponse(BaseResponse):
     def __init__(self) -> None:
         super().__init__(service_name="sqs")
 
+    def is_json(self) -> bool:
+        """
+        botocore 1.29.127 changed the wire-format to SQS
+        This means three things:
+         - The Content-Type is set to JSON
+         - The input-parameters are in different formats
+         - The output is in a different format
+
+         The change has been reverted for now, but it will be re-introduced later:
+         https://github.com/boto/botocore/pull/2931
+        """
+        return self.headers.get("Content-Type") in JSON_TYPES
+
     @property
     def sqs_backend(self) -> SQSBackend:
         return sqs_backends[self.current_account][self.region]
 
     @property
     def attribute(self) -> Any:  # type: ignore[misc]
+        try:
+            assert self.is_json()
+            return json.loads(self.body).get("Attributes", {})
+        except:  # noqa: E722 Do not use bare except
             if not hasattr(self, "_attribute"):
                 self._attribute = self._get_map_prefix(
                     "Attribute", key_end=".Name", value_end=".Value"
@@ -44,11 +92,19 @@ class SQSResponse(BaseResponse):
     @property
     def tags(self) -> Dict[str, str]:
         if not hasattr(self, "_tags"):
-            self._tags = self._get_map_prefix("Tag", key_end=".Key", value_end=".Value")
+            if self.is_json():
+                self._tags = self._get_param("tags")
+            else:
+                self._tags = self._get_map_prefix(
+                    "Tag", key_end=".Key", value_end=".Value"
+                )
         return self._tags
 
     def _get_queue_name(self) -> str:
         try:
+            if self.is_json():
+                queue_url = self._get_param("QueueUrl")
+            else:
                 queue_url = self.querystring.get("QueueUrl")[0]  # type: ignore
             if queue_url.startswith("http://") or queue_url.startswith("https://"):
                 return queue_url.split("/")[-1]
@@ -66,6 +122,9 @@ class SQSResponse(BaseResponse):
         """
         if timeout is not None:
             visibility_timeout = int(timeout)
+        else:
+            if self.is_json():
+                visibility_timeout = self._get_param("VisibilityTimeout")
             else:
                 visibility_timeout = int(self.querystring.get("VisibilityTimeout")[0])  # type: ignore
 
@@ -85,45 +144,66 @@ class SQSResponse(BaseResponse):
             return 404, headers, response
         return status_code, headers, body
 
-    def _error(
+    def _error(self, code: str, message: str, status: int = 400) -> TYPE_RESPONSE:
-        self, code: str, message: str, status: int = 400
+        if self.is_json():
-    ) -> Tuple[str, Dict[str, int]]:
+            err = JsonRESTError(error_type=code, message=message)
+            err.code = status
+            raise err
         template = self.response_template(ERROR_TEMPLATE)
-        return template.render(code=code, message=message), dict(status=status)
+        return status, {"status": status}, template.render(code=code, message=message)
 
+    @jsonify_error
     def create_queue(self) -> str:
         request_url = urlparse(self.uri)
         queue_name = self._get_param("QueueName")
 
         queue = self.sqs_backend.create_queue(queue_name, self.tags, **self.attribute)
 
+        if self.is_json():
+            return json.dumps({"QueueUrl": queue.url(request_url)})
+
         template = self.response_template(CREATE_QUEUE_RESPONSE)
         return template.render(queue_url=queue.url(request_url))
 
+    @jsonify_error
     def get_queue_url(self) -> str:
         request_url = urlparse(self.uri)
         queue_name = self._get_param("QueueName")
 
         queue = self.sqs_backend.get_queue_url(queue_name)
 
+        if self.is_json():
+            return json.dumps({"QueueUrl": queue.url(request_url)})
+
         template = self.response_template(GET_QUEUE_URL_RESPONSE)
         return template.render(queue_url=queue.url(request_url))
 
+    @jsonify_error
     def list_queues(self) -> str:
         request_url = urlparse(self.uri)
         queue_name_prefix = self._get_param("QueueNamePrefix")
         queues = self.sqs_backend.list_queues(queue_name_prefix)
+
+        if self.is_json():
+            if queues:
+                return json.dumps(
+                    {"QueueUrls": [queue.url(request_url) for queue in queues]}
+                )
+            else:
+                return "{}"
+
         template = self.response_template(LIST_QUEUES_RESPONSE)
         return template.render(queues=queues, request_url=request_url)
 
-    def change_message_visibility(self) -> Union[str, Tuple[str, Dict[str, int]]]:
+    @jsonify_error
+    def change_message_visibility(self) -> Union[str, TYPE_RESPONSE]:
         queue_name = self._get_queue_name()
         receipt_handle = self._get_param("ReceiptHandle")
 
         try:
             visibility_timeout = self._get_validated_visibility_timeout()
         except ValueError:
-            return ERROR_MAX_VISIBILITY_TIMEOUT_RESPONSE, dict(status=400)
+            return 400, {}, ERROR_MAX_VISIBILITY_TIMEOUT_RESPONSE
 
         self.sqs_backend.change_message_visibility(
             queue_name=queue_name,
@@ -131,26 +211,46 @@ class SQSResponse(BaseResponse):
             visibility_timeout=visibility_timeout,
         )
 
+        if self.is_json():
+            return "{}"
+
         template = self.response_template(CHANGE_MESSAGE_VISIBILITY_RESPONSE)
         return template.render()
 
+    @jsonify_error
     def change_message_visibility_batch(self) -> str:
         queue_name = self._get_queue_name()
+        if self.is_json():
+            entries = [
+                {camelcase_to_underscores(key): value for key, value in entr.items()}
+                for entr in self._get_param("Entries")
+            ]
+        else:
             entries = self._get_list_prefix("ChangeMessageVisibilityBatchRequestEntry")
 
         success, error = self.sqs_backend.change_message_visibility_batch(
             queue_name, entries
         )
+        if self.is_json():
+            return json.dumps(
+                {"Successful": [{"Id": _id} for _id in success], "Failed": error}
+            )
 
         template = self.response_template(CHANGE_MESSAGE_VISIBILITY_BATCH_RESPONSE)
         return template.render(success=success, errors=error)
 
+    @jsonify_error
     def get_queue_attributes(self) -> str:
         queue_name = self._get_queue_name()
 
-        if self.querystring.get("AttributeNames"):
+        if not self.is_json() and self.querystring.get("AttributeNames"):
             raise InvalidAttributeName("")
 
+        if self.is_json():
+            attribute_names = self._get_param("AttributeNames")
+            if attribute_names == [] or (attribute_names and "" in attribute_names):
+                raise InvalidAttributeName("")
+        else:
             # if connecting to AWS via boto, then 'AttributeName' is just a normal parameter
             attribute_names = self._get_multi_param(
                 "AttributeName"
@@ -158,9 +258,23 @@ class SQSResponse(BaseResponse):
 
         attributes = self.sqs_backend.get_queue_attributes(queue_name, attribute_names)  # type: ignore
 
+        if self.is_json():
+            if len(attributes) == 0:
+                return "{}"
+            return json.dumps(
+                {
+                    "Attributes": {
+                        key: str(value)
+                        for key, value in attributes.items()
+                        if value is not None
+                    }
+                }
+            )
+
         template = self.response_template(GET_QUEUE_ATTRIBUTES_RESPONSE)
         return template.render(attributes=attributes)
 
+    @jsonify_error
     def set_queue_attributes(self) -> str:
         # TODO validate self.get_param('QueueUrl')
         attribute = self.attribute
@@ -177,6 +291,7 @@ class SQSResponse(BaseResponse):
 
         return SET_QUEUE_ATTRIBUTE_RESPONSE
 
+    @jsonify_error
     def delete_queue(self) -> str:
         # TODO validate self.get_param('QueueUrl')
         queue_name = self._get_queue_name()
@@ -186,16 +301,29 @@ class SQSResponse(BaseResponse):
         template = self.response_template(DELETE_QUEUE_RESPONSE)
         return template.render()
 
-    def send_message(self) -> Union[str, Tuple[str, Dict[str, int]]]:
+    @jsonify_error
+    def send_message(self) -> Union[str, TYPE_RESPONSE]:
         message = self._get_param("MessageBody")
         delay_seconds = int(self._get_param("DelaySeconds", 0))
         message_group_id = self._get_param("MessageGroupId")
         message_dedupe_id = self._get_param("MessageDeduplicationId")
 
         if len(message) > MAXIMUM_MESSAGE_LENGTH:
-            return ERROR_TOO_LONG_RESPONSE, dict(status=400)
+            return self._error(
+                "InvalidParameterValue",
+                message="One or more parameters are invalid. Reason: Message must be shorter than 262144 bytes.",
+            )
 
+        if self.is_json():
+            message_attributes = self._get_param("MessageAttributes")
+            self.normalize_json_msg_attributes(message_attributes)
+        else:
             message_attributes = parse_message_attributes(self.querystring)
+
+        if self.is_json():
+            system_message_attributes = self._get_param("MessageSystemAttributes")
+            self.normalize_json_msg_attributes(system_message_attributes)
+        else:
             system_message_attributes = parse_message_attributes(
                 self.querystring, key="MessageSystemAttribute"
             )
@@ -215,9 +343,30 @@ class SQSResponse(BaseResponse):
         except RESTError as err:
             return self._error(err.error_type, err.message)
 
+        if self.is_json():
+            resp = {
+                "MD5OfMessageBody": message.body_md5,
+                "MessageId": message.id,
+            }
+            if len(message.message_attributes) > 0:
+                resp["MD5OfMessageAttributes"] = message.attribute_md5
+            return json.dumps(resp)
+
         template = self.response_template(SEND_MESSAGE_RESPONSE)
         return template.render(message=message, message_attributes=message_attributes)
 
+    def normalize_json_msg_attributes(self, message_attributes: Dict[str, Any]) -> None:
+        for key, value in (message_attributes or {}).items():
+            if "BinaryValue" in value:
+                message_attributes[key]["binary_value"] = value.pop("BinaryValue")
+            if "StringValue" in value:
+                message_attributes[key]["string_value"] = value.pop("StringValue")
+            if "DataType" in value:
+                message_attributes[key]["data_type"] = value.pop("DataType")
+
+        validate_message_attributes(message_attributes)
+
+    @jsonify_error
     def send_message_batch(self) -> str:
         """
         The querystring comes like this
@@ -234,39 +383,33 @@ class SQSResponse(BaseResponse):
 
         self.sqs_backend.get_queue(queue_name)
 
-        if self.querystring.get("Entries"):
+        if not self.is_json() and self.querystring.get("Entries"):
             raise EmptyBatchRequest()
-
+        if self.is_json():
-        entries = {}
+            entries = {
-        for key, value in self.querystring.items():
+                str(idx): entry for idx, entry in enumerate(self._get_param("Entries"))
-            match = re.match(r"^SendMessageBatchRequestEntry\.(\d+)\.Id", key)
-            if match:
-                index = match.group(1)
-
-                message_attributes = parse_message_attributes(
-                    self.querystring,
-                    base=f"SendMessageBatchRequestEntry.{index}.",
-                )
-
-                entries[index] = {
-                    "Id": value[0],
-                    "MessageBody": self.querystring.get(  # type: ignore
-                        f"SendMessageBatchRequestEntry.{index}.MessageBody"
-                    )[0],
-                    "DelaySeconds": self.querystring.get(
-                        f"SendMessageBatchRequestEntry.{index}.DelaySeconds",
-                        [None],
-                    )[0],
-                    "MessageAttributes": message_attributes,
-                    "MessageGroupId": self.querystring.get(
-                        f"SendMessageBatchRequestEntry.{index}.MessageGroupId",
-                        [None],
-                    )[0],
-                    "MessageDeduplicationId": self.querystring.get(
-                        f"SendMessageBatchRequestEntry.{index}.MessageDeduplicationId",
-                        [None],
-                    )[0],
             }
+        else:
+            entries = {
+                str(idx): entry
+                for idx, entry in enumerate(
+                    self._get_multi_param("SendMessageBatchRequestEntry")
+                )
+            }
+            for entry in entries.values():
+                if "MessageAttribute" in entry:
+                    entry["MessageAttributes"] = {
+                        val["Name"]: val["Value"]
+                        for val in entry.pop("MessageAttribute")
+                    }
+
+        for entry in entries.values():
+            if "MessageAttributes" in entry:
+                self.normalize_json_msg_attributes(entry["MessageAttributes"])
+            else:
+                entry["MessageAttributes"] = {}
+            if "DelaySeconds" not in entry:
+                entry["DelaySeconds"] = None
 
         if entries == {}:
             raise EmptyBatchRequest()
@@ -286,16 +429,38 @@ class SQSResponse(BaseResponse):
                 }
             )
 
+        if self.is_json():
+            resp: Dict[str, Any] = {"Successful": [], "Failed": errors}
+            for msg in messages:
+                msg_dict = {
+                    "Id": msg.user_id,  # type: ignore
+                    "MessageId": msg.id,
+                    "MD5OfMessageBody": msg.body_md5,
+                }
+                if len(msg.message_attributes) > 0:
+                    msg_dict["MD5OfMessageAttributes"] = msg.attribute_md5
+                resp["Successful"].append(msg_dict)
+            return json.dumps(resp)
+
         template = self.response_template(SEND_MESSAGE_BATCH_RESPONSE)
         return template.render(messages=messages, errors=errors)
 
+    @jsonify_error
     def delete_message(self) -> str:
         queue_name = self._get_queue_name()
+        if self.is_json():
+            receipt_handle = self._get_param("ReceiptHandle")
+        else:
             receipt_handle = self.querystring.get("ReceiptHandle")[0]  # type: ignore
         self.sqs_backend.delete_message(queue_name, receipt_handle)
+
+        if self.is_json():
+            return "{}"
+
         template = self.response_template(DELETE_MESSAGE_RESPONSE)
         return template.render()
 
+    @jsonify_error
     def delete_message_batch(self) -> str:
         """
         The querystring comes like this
@@ -308,21 +473,17 @@ class SQSResponse(BaseResponse):
         """
         queue_name = self._get_queue_name()
 
-        receipts = []
+        if self.is_json():
+            receipts = self._get_param("Entries")
+        else:
+            receipts = self._get_multi_param("DeleteMessageBatchRequestEntry")
 
-        for index in range(1, 11):
+        for r in receipts:
-            # Loop through looking for messages
+            for key in list(r.keys()):
-            receipt_key = f"DeleteMessageBatchRequestEntry.{index}.ReceiptHandle"
+                if key == "Id":
-            receipt_handle = self.querystring.get(receipt_key)
+                    r["msg_user_id"] = r.pop(key)
-            if not receipt_handle:
+                else:
-                # Found all messages
+                    r[camelcase_to_underscores(key)] = r.pop(key)
-                break
-
-            message_user_id_key = f"DeleteMessageBatchRequestEntry.{index}.Id"
-            message_user_id = self.querystring.get(message_user_id_key)[0]  # type: ignore
-            receipts.append(
-                {"receipt_handle": receipt_handle[0], "msg_user_id": message_user_id}
-            )
 
         receipt_seen = set()
         for receipt_and_id in receipts:
@@ -333,26 +494,44 @@ class SQSResponse(BaseResponse):
 
         success, errors = self.sqs_backend.delete_message_batch(queue_name, receipts)
 
+        if self.is_json():
+            return json.dumps(
+                {"Successful": [{"Id": _id} for _id in success], "Failed": errors}
+            )
+
         template = self.response_template(DELETE_MESSAGE_BATCH_RESPONSE)
         return template.render(success=success, errors=errors)
 
+    @jsonify_error
     def purge_queue(self) -> str:
         queue_name = self._get_queue_name()
         self.sqs_backend.purge_queue(queue_name)
         template = self.response_template(PURGE_QUEUE_RESPONSE)
         return template.render()
 
-    def receive_message(self) -> Union[str, Tuple[str, Dict[str, int]]]:
+    @jsonify_error
+    def receive_message(self) -> Union[str, TYPE_RESPONSE]:
         queue_name = self._get_queue_name()
+        if self.is_json():
+            message_attributes = self._get_param("MessageAttributeNames")
+        else:
             message_attributes = self._get_multi_param("message_attributes")
         if not message_attributes:
             message_attributes = extract_input_message_attributes(self.querystring)
 
+        if self.is_json():
+            attribute_names = self._get_param("AttributeNames", [])
+        else:
             attribute_names = self._get_multi_param("AttributeName")
 
         queue = self.sqs_backend.get_queue(queue_name)
 
         try:
+            if self.is_json():
+                message_count = self._get_param(
+                    "MaxNumberOfMessages", DEFAULT_RECEIVED_MESSAGES
+                )
+            else:
                 message_count = int(self.querystring.get("MaxNumberOfMessages")[0])  # type: ignore
         except TypeError:
             message_count = DEFAULT_RECEIVED_MESSAGES
@@ -367,6 +546,9 @@ class SQSResponse(BaseResponse):
             )
 
         try:
+            if self.is_json():
+                wait_time = int(self._get_param("WaitTimeSeconds"))
+            else:
                 wait_time = int(self.querystring.get("WaitTimeSeconds")[0])  # type: ignore
         except TypeError:
             wait_time = int(queue.receive_message_wait_time_seconds)  # type: ignore
@@ -385,7 +567,7 @@ class SQSResponse(BaseResponse):
         except TypeError:
             visibility_timeout = queue.visibility_timeout  # type: ignore
         except ValueError:
-            return ERROR_MAX_VISIBILITY_TIMEOUT_RESPONSE, dict(status=400)
+            return 400, {}, ERROR_MAX_VISIBILITY_TIMEOUT_RESPONSE
 
         messages = self.sqs_backend.receive_message(
             queue_name, message_count, wait_time, visibility_timeout, message_attributes
@@ -406,22 +588,98 @@ class SQSResponse(BaseResponse):
             if any(x in ["All", pascalcase_name] for x in attribute_names):
                 attributes[attribute] = True
 
+        if self.is_json():
+            msgs = []
+            for message in messages:
+                msg: Dict[str, Any] = {
+                    "MessageId": message.id,
+                    "ReceiptHandle": message.receipt_handle,
+                    "MD5OfBody": message.body_md5,
+                    "Body": message.original_body,
+                    "Attributes": {},
+                    "MessageAttributes": {},
+                }
+                if len(message.message_attributes) > 0:
+                    msg["MD5OfMessageAttributes"] = message.attribute_md5
+                if attributes["sender_id"]:
+                    msg["Attributes"]["SenderId"] = message.sender_id
+                if attributes["sent_timestamp"]:
+                    msg["Attributes"]["SentTimestamp"] = str(message.sent_timestamp)
+                if attributes["approximate_receive_count"]:
+                    msg["Attributes"]["ApproximateReceiveCount"] = str(
+                        message.approximate_receive_count
+                    )
+                if attributes["approximate_first_receive_timestamp"]:
+                    msg["Attributes"]["ApproximateFirstReceiveTimestamp"] = str(
+                        message.approximate_first_receive_timestamp
+                    )
+                if attributes["message_deduplication_id"]:
+                    msg["Attributes"][
+                        "MessageDeduplicationId"
+                    ] = message.deduplication_id
+                if attributes["message_group_id"] and message.group_id is not None:
+                    msg["Attributes"]["MessageGroupId"] = message.group_id
+                if message.system_attributes and message.system_attributes.get(
+                    "AWSTraceHeader"
+                ):
+                    msg["Attributes"]["AWSTraceHeader"] = message.system_attributes[
+                        "AWSTraceHeader"
+                    ].get("string_value")
+                if (
+                    attributes["sequence_number"]
+                    and message.sequence_number is not None
+                ):
+                    msg["Attributes"]["SequenceNumber"] = message.sequence_number
+                for name, value in message.message_attributes.items():
+                    msg["MessageAttributes"][name] = {"DataType": value["data_type"]}
+                    if "Binary" in value["data_type"]:
+                        msg["MessageAttributes"][name]["BinaryValue"] = value[
+                            "binary_value"
+                        ]
+                    else:
+                        msg["MessageAttributes"][name]["StringValue"] = value[
+                            "string_value"
+                        ]
+
+                if len(msg["Attributes"]) == 0:
+                    msg.pop("Attributes")
+                if len(msg["MessageAttributes"]) == 0:
+                    msg.pop("MessageAttributes")
+                msgs.append(msg)
+
+            return json.dumps({"Messages": msgs} if msgs else {})
+
         template = self.response_template(RECEIVE_MESSAGE_RESPONSE)
         return template.render(messages=messages, attributes=attributes)
 
+    @jsonify_error
     def list_dead_letter_source_queues(self) -> str:
         request_url = urlparse(self.uri)
         queue_name = self._get_queue_name()
 
-        source_queue_urls = self.sqs_backend.list_dead_letter_source_queues(queue_name)
+        queues = self.sqs_backend.list_dead_letter_source_queues(queue_name)
+
+        if self.is_json():
+            return json.dumps(
+                {"queueUrls": [queue.url(request_url) for queue in queues]}
+            )
 
         template = self.response_template(LIST_DEAD_LETTER_SOURCE_QUEUES_RESPONSE)
-        return template.render(queues=source_queue_urls, request_url=request_url)
+        return template.render(queues=queues, request_url=request_url)
 
+    @jsonify_error
     def add_permission(self) -> str:
         queue_name = self._get_queue_name()
-        actions = self._get_multi_param("ActionName")
+        actions = (
-        account_ids = self._get_multi_param("AWSAccountId")
+            self._get_param("Actions")
+            if self.is_json()
+            else self._get_multi_param("ActionName")
+        )
+        account_ids = (
+            self._get_param("AWSAccountIds")
+            if self.is_json()
+            else self._get_multi_param("AWSAccountId")
+        )
         label = self._get_param("Label")
 
         self.sqs_backend.add_permission(queue_name, actions, account_ids, label)
@@ -429,6 +687,7 @@ class SQSResponse(BaseResponse):
         template = self.response_template(ADD_PERMISSION_RESPONSE)
         return template.render()
 
+    @jsonify_error
     def remove_permission(self) -> str:
         queue_name = self._get_queue_name()
         label = self._get_param("Label")
@@ -438,21 +697,36 @@ class SQSResponse(BaseResponse):
         template = self.response_template(REMOVE_PERMISSION_RESPONSE)
         return template.render()
 
+    @jsonify_error
     def tag_queue(self) -> str:
         queue_name = self._get_queue_name()
+        if self.is_json():
+            tags = self._get_param("Tags")
+        else:
             tags = self._get_map_prefix("Tag", key_end=".Key", value_end=".Value")
 
         self.sqs_backend.tag_queue(queue_name, tags)
 
+        if self.is_json():
+            return "{}"
+
         template = self.response_template(TAG_QUEUE_RESPONSE)
         return template.render()
 
+    @jsonify_error
     def untag_queue(self) -> str:
         queue_name = self._get_queue_name()
-        tag_keys = self._get_multi_param("TagKey")
+        tag_keys = (
+            self._get_param("TagKeys")
+            if self.is_json()
+            else self._get_multi_param("TagKey")
+        )
 
         self.sqs_backend.untag_queue(queue_name, tag_keys)
 
+        if self.is_json():
+            return "{}"
+
         template = self.response_template(UNTAG_QUEUE_RESPONSE)
         return template.render()
 
@@ -461,6 +735,9 @@ class SQSResponse(BaseResponse):
 
         queue = self.sqs_backend.list_queue_tags(queue_name)
 
+        if self.is_json():
+            return json.dumps({"Tags": queue.tags})
+
         template = self.response_template(LIST_QUEUE_TAGS_RESPONSE)
         return template.render(tags=queue.tags)
 
@@ -665,7 +942,7 @@ DELETE_MESSAGE_BATCH_RESPONSE = """<DeleteMessageBatchResponse>
             <Id>{{ error_dict['Id'] }}</Id>
             <Code>{{ error_dict['Code'] }}</Code>
             <Message>{{ error_dict['Message'] }}</Message>
-            <SenderFault>{{ error_dict['SenderFault'] }}</SenderFault>
+            <SenderFault>{{ 'true' if error_dict['SenderFault'] else 'false' }}</SenderFault>
         </BatchResultErrorEntry>
         {% endfor %}
     </DeleteMessageBatchResult>
@@ -756,16 +1033,6 @@ LIST_QUEUE_TAGS_RESPONSE = """<ListQueueTagsResponse>
    </ResponseMetadata>
 </ListQueueTagsResponse>"""
 
-ERROR_TOO_LONG_RESPONSE = """<ErrorResponse xmlns="http://queue.amazonaws.com/doc/2012-11-05/">
-    <Error>
-        <Type>Sender</Type>
-        <Code>InvalidParameterValue</Code>
-        <Message>One or more parameters are invalid. Reason: Message must be shorter than 262144 bytes.</Message>
-        <Detail/>
-    </Error>
-    <RequestId>6fde8d1e-52cd-4581-8cd9-c512f4c64223</RequestId>
-</ErrorResponse>"""
-
 ERROR_MAX_VISIBILITY_TIMEOUT_RESPONSE = (
     f"Invalid request, maximum visibility timeout is {MAXIMUM_VISIBILITY_TIMEOUT}"
 )

moto/sqs/utils.py

@@ -43,38 +43,51 @@ def parse_message_attributes(
             break
 
         data_type_key = base + f"{key}.{index}.{value_namespace}DataType"
-        data_type = querystring.get(data_type_key)
+        data_type = querystring.get(data_type_key, [None])[0]
+
+        data_type_parts = (data_type or "").split(".")[0]
+
+        type_prefix = "String"
+        if data_type_parts == "Binary":
+            type_prefix = "Binary"
+
+        value_key = base + f"{key}.{index}.{value_namespace}{type_prefix}Value"
+        value = querystring.get(value_key, [None])[0]
+
+        message_attributes[name[0]] = {
+            "data_type": data_type,
+            type_prefix.lower() + "_value": value,
+        }
+
+        index += 1
+
+    validate_message_attributes(message_attributes)
+
+    return message_attributes
+
+
+def validate_message_attributes(message_attributes: Dict[str, Any]) -> None:
+    for name, value in (message_attributes or {}).items():
+        data_type = value["data_type"]
+
         if not data_type:
             raise MessageAttributesInvalid(
-                f"The message attribute '{name[0]}' must contain non-empty message attribute value."
+                f"The message attribute '{name}' must contain non-empty message attribute value."
             )
 
-        data_type_parts = data_type[0].split(".")
+        data_type_parts = data_type.split(".")[0]
-        if data_type_parts[0] not in [
+        if data_type_parts not in [
             "String",
             "Binary",
             "Number",
         ]:
             raise MessageAttributesInvalid(
-                f"The message attribute '{name[0]}' has an invalid message attribute type, the set of supported type prefixes is Binary, Number, and String."
+                f"The message attribute '{name}' has an invalid message attribute type, the set of supported type prefixes is Binary, Number, and String."
             )
 
-        type_prefix = "String"
+        possible_value_fields = ["string_value", "binary_value"]
-        if data_type_parts[0] == "Binary":
+        for field in possible_value_fields:
-            type_prefix = "Binary"
+            if field in value and value[field] is None:
-
-        value_key = base + f"{key}.{index}.{value_namespace}{type_prefix}Value"
-        value = querystring.get(value_key)
-        if not value:
                 raise MessageAttributesInvalid(
-                f"The message attribute '{name[0]}' must contain non-empty message attribute value for message attribute type '{data_type[0]}'."
+                    f"The message attribute '{name}' must contain non-empty message attribute value for message attribute type '{data_type}'."
                 )
-
-        message_attributes[name[0]] = {
-            "data_type": data_type[0],
-            type_prefix.lower() + "_value": value[0],
-        }
-
-        index += 1
-
-    return message_attributes

moto/utilities/constants.py

@@ -0,0 +1,5 @@
+APPLICATION_AMZ_JSON_1_0 = "application/x-amz-json-1.0"
+APPLICATION_AMZ_JSON_1_1 = "application/x-amz-json-1.1"
+APPLICATION_JSON = "application/json"
+
+JSON_TYPES = [APPLICATION_JSON, APPLICATION_AMZ_JSON_1_0, APPLICATION_AMZ_JSON_1_1]