distro-tools/apollo/server/routes/api_compat.py
2023-02-02 15:28:08 +01:00

345 lines
11 KiB
Python

"""
This module implements the compatibility API for Apollo V2 advisories
"""
import datetime
from typing import TypeVar, Generic, Optional
from tortoise import connections
from fastapi import APIRouter, Depends, Query, Response
from fastapi.exceptions import HTTPException
from fastapi_pagination.links import Page
from fastapi_pagination import Params
from fastapi_pagination.ext.tortoise import create_page
from rssgen.feed import RssGenerator
from apollo.db import Advisory, RedHatIndexState
from apollo.db.serialize import Advisory_Pydantic_V2, Advisory_Pydantic_V2_CVE, Advisory_Pydantic_V2_Fix
from apollo.server.settings import UI_URL, COMPANY_NAME, MANAGING_EDITOR, get_setting
from common.fastapi import RenderErrorTemplateException
router = APIRouter(tags=["v2_compat"])
T = TypeVar("T")
class Pagination(Page[T], Generic[T]):
lastUpdated: Optional[str] # noqa # pylint: disable=invalid-name
class Config:
allow_population_by_field_name = True
fields = {"items": {"alias": "advisories"}}
class CompatParams(Params):
limit: int = Query(50, ge=1, le=100, description="Page size")
def get_size(self) -> int:
return self.limit if self.limit else self.size
def v3_advisory_to_v2(
advisory: Advisory,
include_rpms=True,
) -> Advisory_Pydantic_V2:
kind = "TYPE_SECURITY"
if advisory.kind == "Bug Fix":
kind = "TYPE_BUGFIX"
elif advisory.kind == "Enhancement":
kind = "TYPE_ENHANCEMENT"
affected_products = list(
set(
[
f"{ap.variant} {ap.major_version}"
for ap in advisory.affected_products
]
)
)
cves = []
for cve in advisory.cves:
cves.append(
Advisory_Pydantic_V2_CVE(
name=cve.cve,
cvss3ScoringVector=cve.cvss3_scoring_vector,
cvss3BaseScore=cve.cvss3_base_score,
cwe=cve.cwe,
sourceBy="Red Hat",
sourceLink=
f"https://access.redhat.com/hydra/rest/securitydata/cve/{cve.cve}.json",
)
)
fixes = []
for fix in advisory.fixes:
fixes.append(
Advisory_Pydantic_V2_Fix(
ticket=fix.ticket_id,
sourceBy="Red Hat",
sourceLink=fix.source,
description=fix.description,
)
)
rpms = {}
if include_rpms:
for pkg in advisory.packages:
name = f"{pkg.supported_product.variant} {pkg.supported_products_rh_mirror.match_major_version}"
if name not in rpms:
rpms[name] = []
rpms[name].append(pkg.nevra)
return Advisory_Pydantic_V2(
id=advisory.id,
publishedAt=advisory.published_at,
name=advisory.name,
synopsis=advisory.synopsis,
description=advisory.description,
type=kind,
severity=f"SEVERITY_{advisory.severity.upper()}",
shortCode=advisory.name[0:2],
topic=advisory.topic if advisory.topic else "",
solution=None,
rpms=rpms,
affectedProducts=affected_products,
references=[],
rebootSuggested=False,
buildReferences=[],
fixes=fixes,
cves=cves,
)
async def fetch_advisories_compat(
params: CompatParams,
product: str,
before_raw: str,
after_raw: str,
cve: str,
synopsis: str,
keyword: str,
severity: str,
kind: str,
):
before = None
after = None
try:
if before_raw:
before = datetime.datetime.fromisoformat(
before_raw.removesuffix("Z")
)
except:
raise RenderErrorTemplateException("Invalid before date", 400) # noqa # pylint: disable=raise-missing-from
try:
if after_raw:
after = datetime.datetime.fromisoformat(after_raw.removesuffix("Z"))
except:
raise RenderErrorTemplateException("Invalid after date", 400) # noqa # pylint: disable=raise-missing-from
a = """
with vars (search, size, page_offset, product, before, after, cve, synopsis, severity, kind) as (
values ($1 :: text, $2 :: bigint, $3 :: bigint, $4 :: text, $5 :: timestamp, $6 :: timestamp, $7 :: text, $8 :: text, $9 :: text, $10 :: text)
)
select
a.id,
a.created_at,
a.updated_at,
a.published_at,
a.name,
a.synopsis,
a.description,
a.kind,
a.severity,
a.topic,
a.red_hat_advisory_id,
count(a.*) over () as total
from
advisories a
left outer join advisory_affected_products ap on ap.advisory_id = a.id
left outer join advisory_cves c on c.advisory_id = a.id
left outer join advisory_fixes f on f.advisory_id = a.id
where
((select product from vars) is null or exists (select name from advisory_affected_products where advisory_id = a.id and name like '%' || (select product from vars) || '%'))
and ((select before from vars) is null or a.published_at < (select before from vars))
and ((select after from vars) is null or a.published_at > (select after from vars))
and (a.published_at is not null)
and ((select cve from vars) is null or exists (select cve from advisory_cves where advisory_id = a.id and cve ilike '%' || (select cve from vars) || '%'))
and ((select synopsis from vars) is null or a.synopsis ilike '%' || (select synopsis from vars) || '%')
and ((select severity from vars) is null or a.severity = (select severity from vars))
and ((select kind from vars) is null or a.kind = (select kind from vars))
and ((select search from vars) is null or
ap.name like '%' || (select product from vars) || '%' or
a.synopsis ilike '%' || (select search from vars) || '%' or
a.description ilike '%' || (select search from vars) || '%' or
exists (select cve from advisory_cves where advisory_id = a.id and cve ilike '%' || (select search from vars) || '%') or
exists (select ticket_id from advisory_fixes where advisory_id = a.id and ticket_id ilike '%' || (select search from vars) || '%') or
a.name ilike '%' || (select search from vars) || '%')
group by a.id
order by a.published_at desc
limit (select size from vars) offset (select page_offset from vars)
"""
connection = connections.get("default")
results = await connection.execute_query(
a, [
keyword,
params.get_size(),
params.get_size() * (params.page - 1),
product,
before,
after,
cve,
synopsis,
severity,
kind,
]
)
count = 0
if results:
if results[1]:
count = results[1][0]["total"]
return (count, results[1])
@router.get(
"/",
response_model=Pagination[Advisory_Pydantic_V2],
)
async def list_advisories_compat_v2(
params: CompatParams = Depends(),
product: str = Query(default=None, alias="filters.product"),
before_raw: str = Query(default=None, alias="filters.before"),
after_raw: str = Query(default=None, alias="filters.after"),
cve: str = Query(default=None, alias="filters.cve"),
synopsis: str = Query(default=None, alias="filters.synopsis"),
keyword: str = Query(default=None, alias="filters.keyword"),
severity: str = Query(default=None, alias="filters.severity"),
kind: str = Query(default=None, alias="filters.type"),
):
params.page = params.page + 1
state = await RedHatIndexState.first()
fetch_adv = await fetch_advisories_compat(
params,
product,
before_raw,
after_raw,
cve,
synopsis,
keyword,
severity,
kind,
)
count = fetch_adv[0]
advisories = []
for adv in fetch_adv[1]:
advisory = Advisory(**adv)
await advisory.fetch_related(
"packages",
"cves",
"fixes",
"affected_products",
"packages",
"packages__supported_product",
"packages__supported_products_rh_mirror",
)
advisories.append(advisory)
v2_advisories: list[Advisory_Pydantic_V2] = []
for advisory in advisories:
v2_advisories.append(v3_advisory_to_v2(advisory))
page = create_page(v2_advisories, count, params)
page.lastUpdated = state.last_indexed_at.isoformat("T").replace(
"+00:00", ""
) + "Z"
return page
@router.get(":rss")
async def list_advisories_compat_v2_rss(
params: CompatParams = Depends(),
product: str = Query(default=None, alias="filters.product"),
before_raw: str = Query(default=None, alias="filters.before"),
after_raw: str = Query(default=None, alias="filters.after"),
cve: str = Query(default=None, alias="filters.cve"),
synopsis: str = Query(default=None, alias="filters.synopsis"),
keyword: str = Query(default=None, alias="filters.keyword"),
severity: str = Query(default=None, alias="filters.severity"),
kind: str = Query(default=None, alias="filters.type"),
):
fetch_adv = await fetch_advisories_compat(
params,
product,
before_raw,
after_raw,
cve,
synopsis,
keyword,
severity,
kind,
)
count = fetch_adv[0]
advisories = fetch_adv[1]
ui_url = await get_setting(UI_URL)
company_name = await get_setting(COMPANY_NAME)
managing_editor = await get_setting(MANAGING_EDITOR)
fg = RssGenerator()
fg.title(f"{company_name} Errata Feed")
fg.link(href=ui_url, rel="alternate")
fg.language("en")
fg.description(f"Advisories issued by {company_name}")
fg.copyright(
f"(C) {company_name} {datetime.datetime.now().year}. All rights reserved. CVE sources are copyright of their respective owners."
)
fg.managingEditor(f"{managing_editor} ({company_name})")
if count != 0:
fg.pubDate(advisories[0]["published_at"])
fg.lastBuildDate(advisories[0]["published_at"])
for adv in advisories:
advisory = Advisory(**adv)
fe = fg.add_entry()
fe.title(f"{advisory.name}: {advisory.synopsis}")
fe.link(href=f"{ui_url}/{advisory.name}", rel="alternate")
fe.description(advisory.topic)
fe.id(str(advisory.id))
fe.pubDate(advisory.published_at)
return Response(content=fg.rss_str(), media_type="application/xml")
@router.get(
"/{advisory_name}",
response_model=Advisory_Pydantic_V2,
)
async def get_advisory_compat_v2(advisory_name: str):
advisory = await Advisory.filter(name=advisory_name).prefetch_related(
"packages",
"cves",
"fixes",
"affected_products",
"packages",
"packages__supported_product",
"packages__supported_products_rh_mirror",
).get_or_none()
if not advisory:
raise HTTPException(404)
return Advisory_Pydantic_V2.from_orm(v3_advisory_to_v2(advisory))