def _create_short_url(form_data):
form = forms.URLShortenerForm(form_data)
if not form.validate():
# TODO: error gracefully
abort(400)
url = form.url.data
alias = form.alias.data or None
explicit_alias_requested = alias is not None
try:
alias = shortener.make_alias(url, alias=alias)
except shortener.UncleanAlias:
# TODO: error gracefully
abort(400)
try:
shortener.insert_url(url, alias, g.db)
except storage.NotUnique:
# That alias is already claimed; you can't have it
if explicit_alias_requested:
long_url = shortener.get_url(alias, g.db)
if url != long_url:
# TODO: error gracefully
abort(403)
# Hashed to the same thing? Be idempotent
else:
pass
short_url = url_for('short_url', alias=alias, _external=True)
return short_url
def _create_short_url(form_data):
form = forms.URLShortenerForm(form_data)
if not form.validate():
# TODO: error gracefully
abort(400)
url = form.url.data
alias = form.alias.data or None
explicit_alias_requested = alias is not None
try:
alias = shortener.make_alias(url, alias=alias)
except shortener.UncleanAlias:
# TODO: error gracefully
abort(400)
try:
shortener.insert_url(url, alias, g.db)
except storage.NotUnique:
# That alias is already claimed; you can't have it
if explicit_alias_requested:
long_url = shortener.get_url(alias, g.db)
if url != long_url:
# TODO: error gracefully
abort(403)
# Hashed to the same thing? Be idempotent
else:
pass
short_url = url_for('short_url', alias=alias, _external=True)
return short_url
def short_url(alias):
"""Look up and redirect to a long URL."""
try:
url = shortener.get_url(alias, g.db)
if app.config['RECORD_HITS']:
shortener.record_hit(alias, g.db)
except storage.NotFound:
abort(404)
return redirect(url, code=301)
def short_url(alias):
"""Look up and redirect to a long URL."""
try:
url = shortener.get_url(alias, g.db)
if app.config['RECORD_HITS']:
shortener.record_hit(alias, g.db)
except storage.NotFound:
abort(404)
return redirect(url, code=301)
