ryg/royalnet
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Stop nested quotes from crashing the website (#70)

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This commit is contained in:
Steffo 2019-07-21 23:02:20 +02:00
parent 7d8087b228
commit 96d2dc0a0d
1 changed files with 21 additions and 12 deletions
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9
royalnet/web/royalprints/wikiview/__init__.py
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@ -15,7 +15,13 @@ rp = Royalprint("wikiview", __name__, url_prefix="/wiki/view", template_folder=t
required_tables={Royal, WikiPage, WikiRevision}) required_tables={Royal, WikiPage, WikiRevision})
class WikiRenderError(Exception):
"""An error occurred while trying to render the wiki page."""
def prepare_page_markdown(page): def prepare_page_markdown(page):
if list(page.content).count(">") > 99:
raise WikiRenderError("Too many nested quotes")
converted_md = markdown2.markdown(page.content.replace("<", "&lt;"), converted_md = markdown2.markdown(page.content.replace("<", "&lt;"),
extras=["spoiler", "tables", "smarty-pants", "fenced-code-blocks"]) extras=["spoiler", "tables", "smarty-pants", "fenced-code-blocks"])
converted_md = re.sub(r"{https?://(?:www\.)?(?:youtube\.com/watch\?.*?&?v=|youtu.be/)([0-9A-Za-z-]+).*?}", converted_md = re.sub(r"{https?://(?:www\.)?(?:youtube\.com/watch\?.*?&?v=|youtu.be/)([0-9A-Za-z-]+).*?}",
@ -37,6 +43,7 @@ def prepare_page_markdown(page):
def prepare_page(page): def prepare_page(page):
try:
if page.format == "markdown": if page.format == "markdown":
return f.render_template("wikiview_page.html", return f.render_template("wikiview_page.html",
page=page, page=page,
@ -49,6 +56,8 @@ def prepare_page(page):
css=page.css) css=page.css)
else: else:
return error(500, f"Non esiste nessun handler in grado di preparare pagine con il formato {page.format}.") return error(500, f"Non esiste nessun handler in grado di preparare pagine con il formato {page.format}.")
except WikiRenderError as e:
return error(500, f"La pagina Wiki non può essere preparata a causa di un errore: {str(e)}")
@rp.route("/") @rp.route("/")