/
database.py
1168 lines (1075 loc) · 43.7 KB
/
database.py
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from asyncinject import Registry
from dataclasses import dataclass, field
from typing import Callable
from urllib.parse import parse_qsl, urlencode
import asyncio
import hashlib
import itertools
import json
import markupsafe
import os
import re
import sqlite_utils
import textwrap
from datasette.database import QueryInterrupted
from datasette.utils import (
add_cors_headers,
await_me_maybe,
call_with_supported_arguments,
derive_named_parameters,
format_bytes,
tilde_decode,
to_css_class,
validate_sql_select,
is_url,
path_with_added_args,
path_with_format,
path_with_removed_args,
sqlite3,
truncate_url,
InvalidSql,
)
from datasette.utils.asgi import AsgiFileDownload, NotFound, Response, Forbidden
from datasette.plugins import pm
from .base import BaseView, DatasetteError, DataView, View, _error, stream_csv
class DatabaseView(View):
async def get(self, request, datasette):
format_ = request.url_vars.get("format") or "html"
await datasette.refresh_schemas()
db = await datasette.resolve_database(request)
database = db.name
visible, private = await datasette.check_visibility(
request.actor,
permissions=[
("view-database", database),
"view-instance",
],
)
if not visible:
raise Forbidden("You do not have permission to view this database")
sql = (request.args.get("sql") or "").strip()
if sql:
return await query_view(request, datasette)
if format_ not in ("html", "json"):
raise NotFound("Invalid format: {}".format(format_))
metadata = (datasette.metadata("databases") or {}).get(database, {})
datasette.update_with_inherited_metadata(metadata)
table_counts = await db.table_counts(5)
hidden_table_names = set(await db.hidden_table_names())
all_foreign_keys = await db.get_all_foreign_keys()
sql_views = []
for view_name in await db.view_names():
view_visible, view_private = await datasette.check_visibility(
request.actor,
permissions=[
("view-table", (database, view_name)),
("view-database", database),
"view-instance",
],
)
if view_visible:
sql_views.append(
{
"name": view_name,
"private": view_private,
}
)
tables = await get_tables(datasette, request, db)
canned_queries = []
for query in (
await datasette.get_canned_queries(database, request.actor)
).values():
query_visible, query_private = await datasette.check_visibility(
request.actor,
permissions=[
("view-query", (database, query["name"])),
("view-database", database),
"view-instance",
],
)
if query_visible:
canned_queries.append(dict(query, private=query_private))
async def database_actions():
links = []
for hook in pm.hook.database_actions(
datasette=datasette,
database=database,
actor=request.actor,
request=request,
):
extra_links = await await_me_maybe(hook)
if extra_links:
links.extend(extra_links)
return links
attached_databases = [d.name for d in await db.attached_databases()]
allow_execute_sql = await datasette.permission_allowed(
request.actor, "execute-sql", database
)
json_data = {
"database": database,
"private": private,
"path": datasette.urls.database(database),
"size": db.size,
"tables": tables,
"hidden_count": len([t for t in tables if t["hidden"]]),
"views": sql_views,
"queries": canned_queries,
"allow_execute_sql": allow_execute_sql,
"table_columns": await _table_columns(datasette, database)
if allow_execute_sql
else {},
}
if format_ == "json":
response = Response.json(json_data)
if datasette.cors:
add_cors_headers(response.headers)
return response
assert format_ == "html"
context = {
**json_data,
"database_actions": database_actions,
"show_hidden": request.args.get("_show_hidden"),
"editable": True,
"metadata": metadata,
"allow_download": datasette.setting("allow_download")
and not db.is_mutable
and not db.is_memory,
"attached_databases": attached_databases,
"database_color": lambda _: "#ff0000",
}
templates = (f"database-{to_css_class(database)}.html", "database.html")
return Response.html(
await datasette.render_template(templates, context, request=request)
)
@dataclass
class QueryContext:
database: str = field(metadata={"help": "The name of the database being queried"})
query: dict = field(
metadata={"help": "The SQL query object containing the `sql` string"}
)
canned_query: str = field(
metadata={"help": "The name of the canned query if this is a canned query"}
)
private: bool = field(
metadata={"help": "Boolean indicating if this is a private database"}
)
# urls: dict = field(
# metadata={"help": "Object containing URL helpers like `database()`"}
# )
canned_write: bool = field(
metadata={"help": "Boolean indicating if this canned query allows writes"}
)
db_is_immutable: bool = field(
metadata={"help": "Boolean indicating if this database is immutable"}
)
error: str = field(metadata={"help": "Any query error message"})
hide_sql: bool = field(
metadata={"help": "Boolean indicating if the SQL should be hidden"}
)
show_hide_link: str = field(
metadata={"help": "The URL to toggle showing/hiding the SQL"}
)
show_hide_text: str = field(
metadata={"help": "The text for the show/hide SQL link"}
)
editable: bool = field(
metadata={"help": "Boolean indicating if the SQL can be edited"}
)
allow_execute_sql: bool = field(
metadata={"help": "Boolean indicating if custom SQL can be executed"}
)
tables: list = field(metadata={"help": "List of table objects in the database"})
named_parameter_values: dict = field(
metadata={"help": "Dictionary of parameter names/values"}
)
edit_sql_url: str = field(
metadata={"help": "URL to edit the SQL for a canned query"}
)
display_rows: list = field(metadata={"help": "List of result rows to display"})
columns: list = field(metadata={"help": "List of column names"})
renderers: dict = field(metadata={"help": "Dictionary of renderer name to URL"})
url_csv: str = field(metadata={"help": "URL for CSV export"})
metadata: dict = field(metadata={"help": "Metadata about the query/database"})
database_color: Callable = field(
metadata={"help": "Function that returns a color for a given database name"}
)
table_columns: dict = field(
metadata={"help": "Dictionary of table name to list of column names"}
)
async def get_tables(datasette, request, db):
tables = []
database = db.name
table_counts = await db.table_counts(5)
hidden_table_names = set(await db.hidden_table_names())
all_foreign_keys = await db.get_all_foreign_keys()
for table in table_counts:
table_visible, table_private = await datasette.check_visibility(
request.actor,
permissions=[
("view-table", (database, table)),
("view-database", database),
"view-instance",
],
)
if not table_visible:
continue
table_columns = await db.table_columns(table)
tables.append(
{
"name": table,
"columns": table_columns,
"primary_keys": await db.primary_keys(table),
"count": table_counts[table],
"hidden": table in hidden_table_names,
"fts_table": await db.fts_table(table),
"foreign_keys": all_foreign_keys[table],
"private": table_private,
}
)
tables.sort(key=lambda t: (t["hidden"], t["name"]))
return tables
async def database_download(request, datasette):
database = tilde_decode(request.url_vars["database"])
await datasette.ensure_permissions(
request.actor,
[
("view-database-download", database),
("view-database", database),
"view-instance",
],
)
try:
db = datasette.get_database(route=database)
except KeyError:
raise DatasetteError("Invalid database", status=404)
if db.is_memory:
raise DatasetteError("Cannot download in-memory databases", status=404)
if not datasette.setting("allow_download") or db.is_mutable:
raise Forbidden("Database download is forbidden")
if not db.path:
raise DatasetteError("Cannot download database", status=404)
filepath = db.path
headers = {}
if datasette.cors:
add_cors_headers(headers)
if db.hash:
etag = '"{}"'.format(db.hash)
headers["Etag"] = etag
# Has user seen this already?
if_none_match = request.headers.get("if-none-match")
if if_none_match and if_none_match == etag:
return Response("", status=304)
headers["Transfer-Encoding"] = "chunked"
return AsgiFileDownload(
filepath,
filename=os.path.basename(filepath),
content_type="application/octet-stream",
headers=headers,
)
async def query_view(
request,
datasette,
# canned_query=None,
# _size=None,
# named_parameters=None,
# write=False,
):
db = await datasette.resolve_database(request)
database = db.name
# Flattened because of ?sql=&name1=value1&name2=value2 feature
params = {key: request.args.get(key) for key in request.args}
sql = None
if "sql" in params:
sql = params.pop("sql")
if "_shape" in params:
params.pop("_shape")
# extras come from original request.args to avoid being flattened
extras = request.args.getlist("_extra")
# TODO: Behave differently for canned query here:
await datasette.ensure_permissions(request.actor, [("execute-sql", database)])
_, private = await datasette.check_visibility(
request.actor,
permissions=[
("view-database", database),
"view-instance",
],
)
extra_args = {}
if params.get("_timelimit"):
extra_args["custom_time_limit"] = int(params["_timelimit"])
format_ = request.url_vars.get("format") or "html"
query_error = None
try:
validate_sql_select(sql)
results = await datasette.execute(
database, sql, params, truncate=True, **extra_args
)
columns = results.columns
rows = results.rows
except QueryInterrupted as ex:
raise DatasetteError(
textwrap.dedent(
"""
<p>SQL query took too long. The time limit is controlled by the
<a href="https://docs.datasette.io/en/stable/settings.html#sql-time-limit-ms">sql_time_limit_ms</a>
configuration option.</p>
<textarea style="width: 90%">{}</textarea>
<script>
let ta = document.querySelector("textarea");
ta.style.height = ta.scrollHeight + "px";
</script>
""".format(
markupsafe.escape(ex.sql)
)
).strip(),
title="SQL Interrupted",
status=400,
message_is_html=True,
)
except sqlite3.DatabaseError as ex:
query_error = str(ex)
results = None
rows = []
columns = []
except (sqlite3.OperationalError, InvalidSql) as ex:
raise DatasetteError(str(ex), title="Invalid SQL", status=400)
except sqlite3.OperationalError as ex:
raise DatasetteError(str(ex))
except DatasetteError:
raise
# Handle formats from plugins
if format_ == "csv":
async def fetch_data_for_csv(request, _next=None):
results = await db.execute(sql, params, truncate=True)
data = {"rows": results.rows, "columns": results.columns}
return data, None, None
return await stream_csv(datasette, fetch_data_for_csv, request, db.name)
elif format_ in datasette.renderers.keys():
# Dispatch request to the correct output format renderer
# (CSV is not handled here due to streaming)
result = call_with_supported_arguments(
datasette.renderers[format_][0],
datasette=datasette,
columns=columns,
rows=rows,
sql=sql,
query_name=None,
database=database,
table=None,
request=request,
view_name="table",
truncated=results.truncated if results else False,
error=query_error,
# These will be deprecated in Datasette 1.0:
args=request.args,
data={"rows": rows, "columns": columns},
)
if asyncio.iscoroutine(result):
result = await result
if result is None:
raise NotFound("No data")
if isinstance(result, dict):
r = Response(
body=result.get("body"),
status=result.get("status_code") or 200,
content_type=result.get("content_type", "text/plain"),
headers=result.get("headers"),
)
elif isinstance(result, Response):
r = result
# if status_code is not None:
# # Over-ride the status code
# r.status = status_code
else:
assert False, f"{result} should be dict or Response"
elif format_ == "html":
headers = {}
templates = [f"query-{to_css_class(database)}.html", "query.html"]
template = datasette.jinja_env.select_template(templates)
alternate_url_json = datasette.absolute_url(
request,
datasette.urls.path(path_with_format(request=request, format="json")),
)
data = {}
headers.update(
{
"Link": '{}; rel="alternate"; type="application/json+datasette"'.format(
alternate_url_json
)
}
)
metadata = (datasette.metadata("databases") or {}).get(database, {})
datasette.update_with_inherited_metadata(metadata)
renderers = {}
for key, (_, can_render) in datasette.renderers.items():
it_can_render = call_with_supported_arguments(
can_render,
datasette=datasette,
columns=data.get("columns") or [],
rows=data.get("rows") or [],
sql=data.get("query", {}).get("sql", None),
query_name=data.get("query_name"),
database=database,
table=data.get("table"),
request=request,
# TODO: Fix this
view_name=None,
)
it_can_render = await await_me_maybe(it_can_render)
if it_can_render:
renderers[key] = datasette.urls.path(
path_with_format(request=request, format=key)
)
allow_execute_sql = await datasette.permission_allowed(
request.actor, "execute-sql", database
)
show_hide_hidden = ""
if metadata.get("hide_sql"):
if bool(params.get("_show_sql")):
show_hide_link = path_with_removed_args(request, {"_show_sql"})
show_hide_text = "hide"
show_hide_hidden = '<input type="hidden" name="_show_sql" value="1">'
else:
show_hide_link = path_with_added_args(request, {"_show_sql": 1})
show_hide_text = "show"
else:
if bool(params.get("_hide_sql")):
show_hide_link = path_with_removed_args(request, {"_hide_sql"})
show_hide_text = "show"
show_hide_hidden = '<input type="hidden" name="_hide_sql" value="1">'
else:
show_hide_link = path_with_added_args(request, {"_hide_sql": 1})
show_hide_text = "hide"
hide_sql = show_hide_text == "show"
r = Response.html(
await datasette.render_template(
template,
QueryContext(
database=database,
query={
"sql": sql,
# TODO: Params?
},
canned_query=None,
private=private,
canned_write=False,
db_is_immutable=not db.is_mutable,
error=query_error,
hide_sql=hide_sql,
show_hide_link=datasette.urls.path(show_hide_link),
show_hide_text=show_hide_text,
editable=True, # TODO
allow_execute_sql=allow_execute_sql,
tables=await get_tables(datasette, request, db),
named_parameter_values={}, # TODO
edit_sql_url="todo",
display_rows=await display_rows(
datasette, database, request, rows, columns
),
table_columns=await _table_columns(datasette, database)
if allow_execute_sql
else {},
columns=columns,
renderers=renderers,
url_csv=datasette.urls.path(
path_with_format(
request=request, format="csv"
) # , extra_qs=url_csv_args)
),
metadata=metadata,
database_color=lambda _: "#ff0000",
),
request=request,
),
headers=headers,
)
# dict(
# data,
# append_querystring=append_querystring,
# path_with_replaced_args=path_with_replaced_args,
# fix_path=datasette.urls.path,
# settings=datasette.settings_dict(),
# # TODO: review up all of these hacks:
# alternate_url_json=alternate_url_json,
# datasette_allow_facet=(
# "true" if datasette.setting("allow_facet") else "false"
# ),
# is_sortable=any(c["sortable"] for c in data["display_columns"]),
# allow_execute_sql=await datasette.permission_allowed(
# request.actor, "execute-sql", resolved.db.name
# ),
# query_ms=1.2,
# select_templates=[
# f"{'*' if template_name == template.name else ''}{template_name}"
# for template_name in templates
# ],
# ),
# request=request,
# view_name="table",
# ),
# headers=headers,
# )
else:
assert False, "Invalid format: {}".format(format_)
return r
class QueryView(DataView):
async def data(
self,
request,
sql,
editable=True,
canned_query=None,
metadata=None,
_size=None,
named_parameters=None,
write=False,
default_labels=None,
):
db = await self.ds.resolve_database(request)
database = db.name
params = {key: request.args.get(key) for key in request.args}
if "sql" in params:
params.pop("sql")
if "_shape" in params:
params.pop("_shape")
private = False
if canned_query:
# Respect canned query permissions
visible, private = await self.ds.check_visibility(
request.actor,
permissions=[
("view-query", (database, canned_query)),
("view-database", database),
"view-instance",
],
)
if not visible:
raise Forbidden("You do not have permission to view this query")
else:
await self.ds.ensure_permissions(request.actor, [("execute-sql", database)])
# Extract any :named parameters
named_parameters = named_parameters or await derive_named_parameters(
self.ds.get_database(database), sql
)
named_parameter_values = {
named_parameter: params.get(named_parameter) or ""
for named_parameter in named_parameters
if not named_parameter.startswith("_")
}
# Set to blank string if missing from params
for named_parameter in named_parameters:
if named_parameter not in params and not named_parameter.startswith("_"):
params[named_parameter] = ""
extra_args = {}
if params.get("_timelimit"):
extra_args["custom_time_limit"] = int(params["_timelimit"])
if _size:
extra_args["page_size"] = _size
templates = [f"query-{to_css_class(database)}.html", "query.html"]
if canned_query:
templates.insert(
0,
f"query-{to_css_class(database)}-{to_css_class(canned_query)}.html",
)
query_error = None
# Execute query - as write or as read
if write:
if request.method == "POST":
# If database is immutable, return an error
if not db.is_mutable:
raise Forbidden("Database is immutable")
body = await request.post_body()
body = body.decode("utf-8").strip()
if body.startswith("{") and body.endswith("}"):
params = json.loads(body)
# But we want key=value strings
for key, value in params.items():
params[key] = str(value)
else:
params = dict(parse_qsl(body, keep_blank_values=True))
# Should we return JSON?
should_return_json = (
request.headers.get("accept") == "application/json"
or request.args.get("_json")
or params.get("_json")
)
if canned_query:
params_for_query = MagicParameters(params, request, self.ds)
else:
params_for_query = params
ok = None
try:
cursor = await self.ds.databases[database].execute_write(
sql, params_for_query
)
message = metadata.get(
"on_success_message"
) or "Query executed, {} row{} affected".format(
cursor.rowcount, "" if cursor.rowcount == 1 else "s"
)
message_type = self.ds.INFO
redirect_url = metadata.get("on_success_redirect")
ok = True
except Exception as e:
message = metadata.get("on_error_message") or str(e)
message_type = self.ds.ERROR
redirect_url = metadata.get("on_error_redirect")
ok = False
if should_return_json:
return Response.json(
{
"ok": ok,
"message": message,
"redirect": redirect_url,
}
)
else:
self.ds.add_message(request, message, message_type)
return self.redirect(request, redirect_url or request.path)
else:
async def extra_template():
return {
"request": request,
"db_is_immutable": not db.is_mutable,
"path_with_added_args": path_with_added_args,
"path_with_removed_args": path_with_removed_args,
"named_parameter_values": named_parameter_values,
"canned_query": canned_query,
"success_message": request.args.get("_success") or "",
"canned_write": True,
}
return (
{
"database": database,
"rows": [],
"truncated": False,
"columns": [],
"query": {"sql": sql, "params": params},
"private": private,
},
extra_template,
templates,
)
else: # Not a write
if canned_query:
params_for_query = MagicParameters(params, request, self.ds)
else:
params_for_query = params
try:
results = await self.ds.execute(
database, sql, params_for_query, truncate=True, **extra_args
)
columns = [r[0] for r in results.description]
except sqlite3.DatabaseError as e:
query_error = e
results = None
columns = []
allow_execute_sql = await self.ds.permission_allowed(
request.actor, "execute-sql", database
)
async def extra_template():
display_rows = []
truncate_cells = self.ds.setting("truncate_cells_html")
for row in results.rows if results else []:
display_row = []
for column, value in zip(results.columns, row):
display_value = value
# Let the plugins have a go
# pylint: disable=no-member
plugin_display_value = None
for candidate in pm.hook.render_cell(
row=row,
value=value,
column=column,
table=None,
database=database,
datasette=self.ds,
request=request,
):
candidate = await await_me_maybe(candidate)
if candidate is not None:
plugin_display_value = candidate
break
if plugin_display_value is not None:
display_value = plugin_display_value
else:
if value in ("", None):
display_value = markupsafe.Markup(" ")
elif is_url(str(display_value).strip()):
display_value = markupsafe.Markup(
'<a href="{url}">{truncated_url}</a>'.format(
url=markupsafe.escape(value.strip()),
truncated_url=markupsafe.escape(
truncate_url(value.strip(), truncate_cells)
),
)
)
elif isinstance(display_value, bytes):
blob_url = path_with_format(
request=request,
format="blob",
extra_qs={
"_blob_column": column,
"_blob_hash": hashlib.sha256(
display_value
).hexdigest(),
},
)
formatted = format_bytes(len(value))
display_value = markupsafe.Markup(
'<a class="blob-download" href="{}"{}><Binary: {:,} byte{}></a>'.format(
blob_url,
' title="{}"'.format(formatted)
if "bytes" not in formatted
else "",
len(value),
"" if len(value) == 1 else "s",
)
)
else:
display_value = str(value)
if truncate_cells and len(display_value) > truncate_cells:
display_value = (
display_value[:truncate_cells] + "\u2026"
)
display_row.append(display_value)
display_rows.append(display_row)
# Show 'Edit SQL' button only if:
# - User is allowed to execute SQL
# - SQL is an approved SELECT statement
# - No magic parameters, so no :_ in the SQL string
edit_sql_url = None
is_validated_sql = False
try:
validate_sql_select(sql)
is_validated_sql = True
except InvalidSql:
pass
if allow_execute_sql and is_validated_sql and ":_" not in sql:
edit_sql_url = (
self.ds.urls.database(database)
+ "?"
+ urlencode(
{
**{
"sql": sql,
},
**named_parameter_values,
}
)
)
show_hide_hidden = ""
if metadata.get("hide_sql"):
if bool(params.get("_show_sql")):
show_hide_link = path_with_removed_args(request, {"_show_sql"})
show_hide_text = "hide"
show_hide_hidden = (
'<input type="hidden" name="_show_sql" value="1">'
)
else:
show_hide_link = path_with_added_args(request, {"_show_sql": 1})
show_hide_text = "show"
else:
if bool(params.get("_hide_sql")):
show_hide_link = path_with_removed_args(request, {"_hide_sql"})
show_hide_text = "show"
show_hide_hidden = (
'<input type="hidden" name="_hide_sql" value="1">'
)
else:
show_hide_link = path_with_added_args(request, {"_hide_sql": 1})
show_hide_text = "hide"
hide_sql = show_hide_text == "show"
return {
"display_rows": display_rows,
"custom_sql": True,
"named_parameter_values": named_parameter_values,
"editable": editable,
"canned_query": canned_query,
"edit_sql_url": edit_sql_url,
"metadata": metadata,
"settings": self.ds.settings_dict(),
"request": request,
"show_hide_link": self.ds.urls.path(show_hide_link),
"show_hide_text": show_hide_text,
"show_hide_hidden": markupsafe.Markup(show_hide_hidden),
"hide_sql": hide_sql,
"table_columns": await _table_columns(self.ds, database)
if allow_execute_sql
else {},
}
return (
{
"ok": not query_error,
"database": database,
"query_name": canned_query,
"rows": results.rows if results else [],
"truncated": results.truncated if results else False,
"columns": columns,
"query": {"sql": sql, "params": params},
"error": str(query_error) if query_error else None,
"private": private,
"allow_execute_sql": allow_execute_sql,
},
extra_template,
templates,
400 if query_error else 200,
)
class MagicParameters(dict):
def __init__(self, data, request, datasette):
super().__init__(data)
self._request = request
self._magics = dict(
itertools.chain.from_iterable(
pm.hook.register_magic_parameters(datasette=datasette)
)
)
def __len__(self):
# Workaround for 'Incorrect number of bindings' error
# https://github.com/simonw/datasette/issues/967#issuecomment-692951144
return super().__len__() or 1
def __getitem__(self, key):
if key.startswith("_") and key.count("_") >= 2:
prefix, suffix = key[1:].split("_", 1)
if prefix in self._magics:
try:
return self._magics[prefix](suffix, self._request)
except KeyError:
return super().__getitem__(key)
else:
return super().__getitem__(key)
class TableCreateView(BaseView):
name = "table-create"
_valid_keys = {"table", "rows", "row", "columns", "pk", "pks", "ignore", "replace"}
_supported_column_types = {
"text",
"integer",
"float",
"blob",
}
# Any string that does not contain a newline or start with sqlite_
_table_name_re = re.compile(r"^(?!sqlite_)[^\n]+$")
def __init__(self, datasette):
self.ds = datasette
async def post(self, request):
db = await self.ds.resolve_database(request)
database_name = db.name
# Must have create-table permission
if not await self.ds.permission_allowed(
request.actor, "create-table", resource=database_name
):
return _error(["Permission denied"], 403)
body = await request.post_body()
try:
data = json.loads(body)
except json.JSONDecodeError as e:
return _error(["Invalid JSON: {}".format(e)])
if not isinstance(data, dict):
return _error(["JSON must be an object"])
invalid_keys = set(data.keys()) - self._valid_keys
if invalid_keys:
return _error(["Invalid keys: {}".format(", ".join(invalid_keys))])
# ignore and replace are mutually exclusive
if data.get("ignore") and data.get("replace"):
return _error(["ignore and replace are mutually exclusive"])
# ignore and replace only allowed with row or rows
if "ignore" in data or "replace" in data:
if not data.get("row") and not data.get("rows"):
return _error(["ignore and replace require row or rows"])
# ignore and replace require pk or pks
if "ignore" in data or "replace" in data:
if not data.get("pk") and not data.get("pks"):
return _error(["ignore and replace require pk or pks"])
ignore = data.get("ignore")
replace = data.get("replace")
if replace:
# Must have update-row permission
if not await self.ds.permission_allowed(
request.actor, "update-row", resource=database_name
):
return _error(["Permission denied - need update-row"], 403)
table_name = data.get("table")
if not table_name:
return _error(["Table is required"])
if not self._table_name_re.match(table_name):
return _error(["Invalid table name"])
table_exists = await db.table_exists(data["table"])
columns = data.get("columns")
rows = data.get("rows")
row = data.get("row")
if not columns and not rows and not row:
return _error(["columns, rows or row is required"])
if rows and row:
return _error(["Cannot specify both rows and row"])
if rows or row:
# Must have insert-row permission
if not await self.ds.permission_allowed(
request.actor, "insert-row", resource=database_name
):
return _error(["Permission denied - need insert-row"], 403)
if columns:
if rows or row:
return _error(["Cannot specify columns with rows or row"])
if not isinstance(columns, list):
return _error(["columns must be a list"])
for column in columns:
if not isinstance(column, dict):
return _error(["columns must be a list of objects"])
if not column.get("name") or not isinstance(column.get("name"), str):