def test_backpath_urls():
current = "http://domain.com/something/another.html"
url1 = "../script.js"
expected = "http://domain.com/script.js"
assert (relative_url(url1, current) == expected)
current = "http://domain.com/base/deep/nested/something/another.html"
url1 = "../../../script.js"
expected = "http://domain.com/base/script.js"
assert (relative_url(url1, current) == expected)
def handle_click(self, e):
self.focus = None
if e.y < 60: # Browser chrome
if 10 <= e.x < 35 and 10 <= e.y < 50:
self.go_back()
elif 50 <= e.x < 790 and 10 <= e.y < 50:
self.focus = "address bar"
self.address_bar = ""
self.render()
else:
x, y = e.x, e.y + self.scroll - 60
obj = find_layout(x, y, self.document)
if not obj: return
elt = obj.node
if elt and self.dispatch_event("click", elt): return
while elt:
if isinstance(elt, TextNode):
pass
elif is_link(elt):
url = relative_url(elt.attributes["href"], self.url)
self.load(url)
elif elt.tag == "input":
elt.attributes["value"] = ""
self.focus = obj
print("Layout called from handle_click in input elt")
return self.reflow(self.focus)
elif elt.tag == "button":
self.submit_form(elt)
elt = elt.parent
def load(self, url, body=None):
self.address_bar = url
self.url = url
self.history.append(url)
self.timer.start("Downloading")
req_headers = {"Cookie": self.cookie_string()}
headers, body = request(url, headers=req_headers, payload=body)
if "set-cookie" in headers:
kv, *params = headers["set-cookie"].split(";")
key, value = kv.split("=", 1)
self.cookies[key] = value
print(f"Received Cookie key={key}, value={value}")
origin = url_origin(self.history[-1])
self.cookies.setdefault(origin, {})[key] = value
self.timer.start("Parsing HTML")
self.nodes = parse(lex(body))
self.timer.start("Parsing CSS")
with open("browser/src/browser.css") as f:
browser_style = f.read()
rules = CSSParser(browser_style).parse()
for link in find_links(self.nodes, []):
headers, body = request(relative_url(link, url),
headers=req_headers)
rules.extend(CSSParser(body).parse())
# tree_to_string(self.nodes)
rules.sort(key=lambda selector_body: selector_body[0].priority(),
reverse=True)
self.rules = rules
self.timer.start("Running JS")
self.setup_js()
for script in find_scripts(self.nodes, []):
header, body = request(relative_url(script, self.history[-1]),
headers=req_headers)
try:
# print("Script returned: ", self.js_environment.evaljs(body))
self.js_environment.evaljs(body)
except dukpy.JSRuntimeError as e:
print("Script", script, "crashed", e)
print("Layout called from load")
self.layout(self.nodes)
def submit_form(self, elt):
while elt and elt.tag != "form":
elt = elt.parent
if not elt: return
if self.dispatch_event("submit", elt): return
inputs = find_inputs(elt, [])
body = ""
for input in inputs:
name = input.attributes["name"]
value = input.attributes.get("value", "")
body += "&" + name + "=" + value.replace(" ", "%20")
body = body[1:]
url = relative_url(elt.attributes["action"], self.url)
self.load(url, body=body)
def test_complete_urls():
url1 = "http://something.com/another/layer.html"
assert (relative_url(url1, "") == url1)
url2 = "https://secure.com/url/layered.html"
assert (relative_url(url2, "") == url2)
def test_relative_urls():
current = "http://domain.com/something/another.html"
url1 = "script.js"
expected = "http://domain.com/something/script.js"
assert (relative_url(url1, current) == expected)
def test_absolute_urls():
current = "http://domain.com/something/another.html"
url1 = "/garbage/script.js"
expected = "http://domain.com" + url1
assert (relative_url(url1, current) == expected)