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plugin.py
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from flask_restx import Resource
from controllers.console.wraps import setup_required
from controllers.inner_api import inner_api_ns
from controllers.inner_api.plugin.wraps import get_user_tenant, plugin_data
from controllers.inner_api.wraps import plugin_inner_api_only
from core.file.helpers import get_signed_file_url_for_plugin
from core.model_runtime.utils.encoders import jsonable_encoder
from core.plugin.backwards_invocation.app import PluginAppBackwardsInvocation
from core.plugin.backwards_invocation.base import BaseBackwardsInvocationResponse
from core.plugin.backwards_invocation.encrypt import PluginEncrypter
from core.plugin.backwards_invocation.model import PluginModelBackwardsInvocation
from core.plugin.backwards_invocation.node import PluginNodeBackwardsInvocation
from core.plugin.backwards_invocation.tool import PluginToolBackwardsInvocation
from core.plugin.entities.request import (
RequestFetchAppInfo,
RequestInvokeApp,
RequestInvokeEncrypt,
RequestInvokeLLM,
RequestInvokeLLMWithStructuredOutput,
RequestInvokeModeration,
RequestInvokeParameterExtractorNode,
RequestInvokeQuestionClassifierNode,
RequestInvokeRerank,
RequestInvokeSpeech2Text,
RequestInvokeSummary,
RequestInvokeTextEmbedding,
RequestInvokeTool,
RequestInvokeTTS,
RequestRequestUploadFile,
)
from core.tools.entities.tool_entities import ToolProviderType
from libs.helper import length_prefixed_response
from models import Account, Tenant
from models.model import EndUser
@inner_api_ns.route("/invoke/llm")
class PluginInvokeLLMApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeLLM)
@inner_api_ns.doc("plugin_invoke_llm")
@inner_api_ns.doc(description="Invoke LLM models through plugin interface")
@inner_api_ns.doc(
responses={
200: "LLM invocation successful (streaming response)",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeLLM):
def generator():
response = PluginModelBackwardsInvocation.invoke_llm(user_model.id, tenant_model, payload)
return PluginModelBackwardsInvocation.convert_to_event_stream(response)
return length_prefixed_response(0xF, generator())
@inner_api_ns.route("/invoke/llm/structured-output")
class PluginInvokeLLMWithStructuredOutputApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeLLMWithStructuredOutput)
@inner_api_ns.doc("plugin_invoke_llm_structured")
@inner_api_ns.doc(description="Invoke LLM models with structured output through plugin interface")
@inner_api_ns.doc(
responses={
200: "LLM structured output invocation successful (streaming response)",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeLLMWithStructuredOutput):
def generator():
response = PluginModelBackwardsInvocation.invoke_llm_with_structured_output(
user_model.id, tenant_model, payload
)
return PluginModelBackwardsInvocation.convert_to_event_stream(response)
return length_prefixed_response(0xF, generator())
@inner_api_ns.route("/invoke/text-embedding")
class PluginInvokeTextEmbeddingApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeTextEmbedding)
@inner_api_ns.doc("plugin_invoke_text_embedding")
@inner_api_ns.doc(description="Invoke text embedding models through plugin interface")
@inner_api_ns.doc(
responses={
200: "Text embedding successful",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeTextEmbedding):
try:
return jsonable_encoder(
BaseBackwardsInvocationResponse(
data=PluginModelBackwardsInvocation.invoke_text_embedding(
user_id=user_model.id,
tenant=tenant_model,
payload=payload,
)
)
)
except Exception as e:
return jsonable_encoder(BaseBackwardsInvocationResponse(error=str(e)))
@inner_api_ns.route("/invoke/rerank")
class PluginInvokeRerankApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeRerank)
@inner_api_ns.doc("plugin_invoke_rerank")
@inner_api_ns.doc(description="Invoke rerank models through plugin interface")
@inner_api_ns.doc(
responses={200: "Rerank successful", 401: "Unauthorized - invalid API key", 404: "Service not available"}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeRerank):
try:
return jsonable_encoder(
BaseBackwardsInvocationResponse(
data=PluginModelBackwardsInvocation.invoke_rerank(
user_id=user_model.id,
tenant=tenant_model,
payload=payload,
)
)
)
except Exception as e:
return jsonable_encoder(BaseBackwardsInvocationResponse(error=str(e)))
@inner_api_ns.route("/invoke/tts")
class PluginInvokeTTSApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeTTS)
@inner_api_ns.doc("plugin_invoke_tts")
@inner_api_ns.doc(description="Invoke text-to-speech models through plugin interface")
@inner_api_ns.doc(
responses={
200: "TTS invocation successful (streaming response)",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeTTS):
def generator():
response = PluginModelBackwardsInvocation.invoke_tts(
user_id=user_model.id,
tenant=tenant_model,
payload=payload,
)
return PluginModelBackwardsInvocation.convert_to_event_stream(response)
return length_prefixed_response(0xF, generator())
@inner_api_ns.route("/invoke/speech2text")
class PluginInvokeSpeech2TextApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeSpeech2Text)
@inner_api_ns.doc("plugin_invoke_speech2text")
@inner_api_ns.doc(description="Invoke speech-to-text models through plugin interface")
@inner_api_ns.doc(
responses={200: "Speech2Text successful", 401: "Unauthorized - invalid API key", 404: "Service not available"}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeSpeech2Text):
try:
return jsonable_encoder(
BaseBackwardsInvocationResponse(
data=PluginModelBackwardsInvocation.invoke_speech2text(
user_id=user_model.id,
tenant=tenant_model,
payload=payload,
)
)
)
except Exception as e:
return jsonable_encoder(BaseBackwardsInvocationResponse(error=str(e)))
@inner_api_ns.route("/invoke/moderation")
class PluginInvokeModerationApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeModeration)
@inner_api_ns.doc("plugin_invoke_moderation")
@inner_api_ns.doc(description="Invoke moderation models through plugin interface")
@inner_api_ns.doc(
responses={200: "Moderation successful", 401: "Unauthorized - invalid API key", 404: "Service not available"}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeModeration):
try:
return jsonable_encoder(
BaseBackwardsInvocationResponse(
data=PluginModelBackwardsInvocation.invoke_moderation(
user_id=user_model.id,
tenant=tenant_model,
payload=payload,
)
)
)
except Exception as e:
return jsonable_encoder(BaseBackwardsInvocationResponse(error=str(e)))
@inner_api_ns.route("/invoke/tool")
class PluginInvokeToolApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeTool)
@inner_api_ns.doc("plugin_invoke_tool")
@inner_api_ns.doc(description="Invoke tools through plugin interface")
@inner_api_ns.doc(
responses={
200: "Tool invocation successful (streaming response)",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeTool):
def generator():
return PluginToolBackwardsInvocation.convert_to_event_stream(
PluginToolBackwardsInvocation.invoke_tool(
tenant_id=tenant_model.id,
user_id=user_model.id,
tool_type=ToolProviderType.value_of(payload.tool_type),
provider=payload.provider,
tool_name=payload.tool,
tool_parameters=payload.tool_parameters,
credential_id=payload.credential_id,
),
)
return length_prefixed_response(0xF, generator())
@inner_api_ns.route("/invoke/parameter-extractor")
class PluginInvokeParameterExtractorNodeApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeParameterExtractorNode)
@inner_api_ns.doc("plugin_invoke_parameter_extractor")
@inner_api_ns.doc(description="Invoke parameter extractor node through plugin interface")
@inner_api_ns.doc(
responses={
200: "Parameter extraction successful",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeParameterExtractorNode):
try:
return jsonable_encoder(
BaseBackwardsInvocationResponse(
data=PluginNodeBackwardsInvocation.invoke_parameter_extractor(
tenant_id=tenant_model.id,
user_id=user_model.id,
parameters=payload.parameters,
model_config=payload.model,
instruction=payload.instruction,
query=payload.query,
)
)
)
except Exception as e:
return jsonable_encoder(BaseBackwardsInvocationResponse(error=str(e)))
@inner_api_ns.route("/invoke/question-classifier")
class PluginInvokeQuestionClassifierNodeApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeQuestionClassifierNode)
@inner_api_ns.doc("plugin_invoke_question_classifier")
@inner_api_ns.doc(description="Invoke question classifier node through plugin interface")
@inner_api_ns.doc(
responses={
200: "Question classification successful",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeQuestionClassifierNode):
try:
return jsonable_encoder(
BaseBackwardsInvocationResponse(
data=PluginNodeBackwardsInvocation.invoke_question_classifier(
tenant_id=tenant_model.id,
user_id=user_model.id,
query=payload.query,
model_config=payload.model,
classes=payload.classes,
instruction=payload.instruction,
)
)
)
except Exception as e:
return jsonable_encoder(BaseBackwardsInvocationResponse(error=str(e)))
@inner_api_ns.route("/invoke/app")
class PluginInvokeAppApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeApp)
@inner_api_ns.doc("plugin_invoke_app")
@inner_api_ns.doc(description="Invoke application through plugin interface")
@inner_api_ns.doc(
responses={
200: "App invocation successful (streaming response)",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeApp):
response = PluginAppBackwardsInvocation.invoke_app(
app_id=payload.app_id,
user_id=user_model.id,
tenant_id=tenant_model.id,
conversation_id=payload.conversation_id,
query=payload.query,
stream=payload.response_mode == "streaming",
inputs=payload.inputs,
files=payload.files,
)
return length_prefixed_response(0xF, PluginAppBackwardsInvocation.convert_to_event_stream(response))
@inner_api_ns.route("/invoke/encrypt")
class PluginInvokeEncryptApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeEncrypt)
@inner_api_ns.doc("plugin_invoke_encrypt")
@inner_api_ns.doc(description="Encrypt or decrypt data through plugin interface")
@inner_api_ns.doc(
responses={
200: "Encryption/decryption successful",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeEncrypt):
"""
encrypt or decrypt data
"""
try:
return BaseBackwardsInvocationResponse(
data=PluginEncrypter.invoke_encrypt(tenant_model, payload)
).model_dump()
except Exception as e:
return BaseBackwardsInvocationResponse(error=str(e)).model_dump()
@inner_api_ns.route("/invoke/summary")
class PluginInvokeSummaryApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestInvokeSummary)
@inner_api_ns.doc("plugin_invoke_summary")
@inner_api_ns.doc(description="Invoke summary functionality through plugin interface")
@inner_api_ns.doc(
responses={
200: "Summary generation successful",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestInvokeSummary):
try:
return BaseBackwardsInvocationResponse(
data={
"summary": PluginModelBackwardsInvocation.invoke_summary(
user_id=user_model.id,
tenant=tenant_model,
payload=payload,
)
}
).model_dump()
except Exception as e:
return BaseBackwardsInvocationResponse(error=str(e)).model_dump()
@inner_api_ns.route("/upload/file/request")
class PluginUploadFileRequestApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestRequestUploadFile)
@inner_api_ns.doc("plugin_upload_file_request")
@inner_api_ns.doc(description="Request signed URL for file upload through plugin interface")
@inner_api_ns.doc(
responses={
200: "Signed URL generated successfully",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestRequestUploadFile):
# generate signed url
url = get_signed_file_url_for_plugin(
filename=payload.filename,
mimetype=payload.mimetype,
tenant_id=tenant_model.id,
user_id=user_model.id,
)
return BaseBackwardsInvocationResponse(data={"url": url}).model_dump()
@inner_api_ns.route("/fetch/app/info")
class PluginFetchAppInfoApi(Resource):
@get_user_tenant
@setup_required
@plugin_inner_api_only
@plugin_data(payload_type=RequestFetchAppInfo)
@inner_api_ns.doc("plugin_fetch_app_info")
@inner_api_ns.doc(description="Fetch application information through plugin interface")
@inner_api_ns.doc(
responses={
200: "App information retrieved successfully",
401: "Unauthorized - invalid API key",
404: "Service not available",
}
)
def post(self, user_model: Account | EndUser, tenant_model: Tenant, payload: RequestFetchAppInfo):
return BaseBackwardsInvocationResponse(
data=PluginAppBackwardsInvocation.fetch_app_info(payload.app_id, tenant_model.id)
).model_dump()