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Sort form fields for sha-1 caps hash

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This commit is contained in:
James Booth 2014-09-21 21:43:42 +01:00
parent 5fb05c6d6d
commit e8a450bc17
4 changed files with 111 additions and 54 deletions
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5
TODO_CAPS Normal file
View File

@ -0,0 +1,5 @@
Generate own hash only once
Handle legacy capabilities
Merge caps and disco info commands, keep disco info
Use filesystem cache

35
src/xmpp/capabilities.c
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@ -45,6 +45,7 @@
#include <strophe.h>
#include "common.h"
#include "log.h"
#include "xmpp/xmpp.h"
#include "xmpp/stanza.h"
#include "xmpp/form.h"
@ -115,10 +116,9 @@ caps_create_sha1_str(xmpp_stanza_t * const query)
FormField *field = NULL;
GHashTable *forms = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)form_destroy);
GString *s = g_string_new("");
xmpp_stanza_t *child = xmpp_stanza_get_children(query);
while (child != NULL) {
while (child) {
if (g_strcmp0(xmpp_stanza_get_name(child), STANZA_NAME_IDENTITY) == 0) {
category = xmpp_stanza_get_attribute(child, "category");
type = xmpp_stanza_get_attribute(child, "type");
@ -127,15 +127,15 @@ caps_create_sha1_str(xmpp_stanza_t * const query)
GString *identity_str = g_string_new(category);
g_string_append(identity_str, "/");
if (type != NULL) {
if (type) {
g_string_append(identity_str, type);
}
g_string_append(identity_str, "/");
if (lang != NULL) {
if (lang) {
g_string_append(identity_str, lang);
}
g_string_append(identity_str, "/");
if (name != NULL) {
if (name) {
g_string_append(identity_str, name);
}
g_string_append(identity_str, "<");
@ -145,7 +145,7 @@ caps_create_sha1_str(xmpp_stanza_t * const query)
feature_str = xmpp_stanza_get_attribute(child, "var");
features = g_slist_insert_sorted(features, g_strdup(feature_str), (GCompareFunc)strcmp);
} else if (g_strcmp0(xmpp_stanza_get_name(child), STANZA_NAME_X) == 0) {
if (strcmp(xmpp_stanza_get_ns(child), STANZA_NS_DATA) == 0) {
if (g_strcmp0(xmpp_stanza_get_ns(child), STANZA_NS_DATA) == 0) {
form = form_create(child);
char *form_type = form_get_form_type_field(form);
form_names = g_slist_insert_sorted(form_names, g_strdup(form_type), (GCompareFunc)strcmp);
@ -155,44 +155,53 @@ caps_create_sha1_str(xmpp_stanza_t * const query)
child = xmpp_stanza_get_next(child);
}
GString *s = g_string_new("");
GSList *curr = identities;
while (curr != NULL) {
while (curr) {
g_string_append(s, curr->data);
curr = g_slist_next(curr);
}
curr = features;
while (curr != NULL) {
while (curr) {
g_string_append(s, curr->data);
g_string_append(s, "<");
curr = g_slist_next(curr);
}
curr = form_names;
while (curr != NULL) {
while (curr) {
form = g_hash_table_lookup(forms, curr->data);
char *form_type = form_get_form_type_field(form);
g_string_append(s, form_type);
g_string_append(s, "<");
GSList *curr_field = form->fields;
while (curr_field != NULL) {
GSList *sorted_fields = form_get_non_form_type_fields_sorted(form);
GSList *curr_field = sorted_fields;
while (curr_field) {
field = curr_field->data;
g_string_append(s, field->var);
g_string_append(s, "<");
GSList *curr_value = field->values;
while (curr_value != NULL) {
GSList *sorted_values = form_get_field_values_sorted(field);
GSList *curr_value = sorted_values;
while (curr_value) {
g_string_append(s, curr_value->data);
g_string_append(s, "<");
curr_value = g_slist_next(curr_value);
}
g_slist_free(sorted_values);
curr_field = g_slist_next(curr_field);
}
g_slist_free(sorted_fields);
curr = g_slist_next(curr);
}
log_debug("Generating capabilities hash for: %s", s->str);
char *result = p_sha1_hash(s->str);
log_debug("Hash: %s", result);
g_string_free(s, TRUE);
g_slist_free_full(identities, g_free);

122
src/xmpp/form.c
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@ -107,9 +107,9 @@ _get_property(xmpp_stanza_t * const stanza, const char * const property)
xmpp_ctx_t *ctx = connection_get_ctx();
xmpp_stanza_t *child = xmpp_stanza_get_child_by_name(stanza, property);
if (child != NULL) {
if (child) {
char *child_text = xmpp_stanza_get_text(child);
if (child_text != NULL) {
if (child_text) {
result = strdup(child_text);
xmpp_free(ctx, child_text);
}
@ -122,7 +122,7 @@ static char *
_get_attr(xmpp_stanza_t * const stanza, const char * const attr)
{
char *result = xmpp_stanza_get_attribute(stanza, attr);
if (result != NULL) {
if (result) {
return strdup(result);
} else {
return NULL;
@ -133,7 +133,7 @@ static gboolean
_is_required(xmpp_stanza_t * const stanza)
{
xmpp_stanza_t *child = xmpp_stanza_get_child_by_name(stanza, "required");
if (child != NULL) {
if (child) {
return TRUE;
} else {
return FALSE;
@ -198,7 +198,7 @@ form_create(xmpp_stanza_t * const form_stanza)
// get fields
xmpp_stanza_t *form_child = xmpp_stanza_get_children(form_stanza);
while (form_child != NULL) {
while (form_child) {
char *child_name = xmpp_stanza_get_name(form_child);
if (g_strcmp0(child_name, "field") == 0) {
xmpp_stanza_t *field_stanza = form_child;
@ -226,13 +226,13 @@ form_create(xmpp_stanza_t * const form_stanza)
// handle repeated field children
xmpp_stanza_t *field_child = xmpp_stanza_get_children(field_stanza);
int value_index = 1;
while (field_child != NULL) {
while (field_child) {
child_name = xmpp_stanza_get_name(field_child);
// handle values
if (g_strcmp0(child_name, "value") == 0) {
char *value = xmpp_stanza_get_text(field_child);
if (value != NULL) {
if (value) {
field->values = g_slist_append(field->values, strdup(value));
if (field->type_t == FIELD_TEXT_MULTI) {
@ -284,7 +284,7 @@ form_create_submission(DataForm *form)
xmpp_stanza_set_type(x, "submit");
GSList *curr_field = form->fields;
while (curr_field != NULL) {
while (curr_field) {
FormField *field = curr_field->data;
xmpp_stanza_t *field_stanza = xmpp_stanza_new(ctx);
@ -304,8 +304,8 @@ form_create_submission(DataForm *form)
case FIELD_JID_SINGLE:
value_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(value_stanza, "value");
if (field->values != NULL) {
if (field->values->data != NULL) {
if (field->values) {
if (field->values->data) {
xmpp_stanza_t *text_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(text_stanza, field->values->data);
xmpp_stanza_add_child(value_stanza, text_stanza);
@ -321,12 +321,12 @@ form_create_submission(DataForm *form)
case FIELD_LIST_MULTI:
case FIELD_JID_MULTI:
curr_value = field->values;
while (curr_value != NULL) {
while (curr_value) {
char *value = curr_value->data;
value_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(value_stanza, "value");
if (value != NULL) {
if (value) {
xmpp_stanza_t *text_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(text_stanza, value);
xmpp_stanza_add_child(value_stanza, text_stanza);
@ -355,7 +355,7 @@ form_create_submission(DataForm *form)
static void
_free_option(FormOption *option)
{
if (option != NULL) {
if (option) {
free(option->label);
free(option->value);
free(option);
@ -365,7 +365,7 @@ _free_option(FormOption *option)
static void
_free_field(FormField *field)
{
if (field != NULL) {
if (field) {
free(field->label);
free(field->type);
free(field->var);
@ -380,7 +380,7 @@ _free_field(FormField *field)
static void
_form_destroy(DataForm *form)
{
if (form != NULL) {
if (form) {
free(form->type);
free(form->title);
free(form->instructions);
@ -392,11 +392,49 @@ _form_destroy(DataForm *form)
}
}
static int
_field_compare_by_var(FormField *a, FormField *b)
{
return g_strcmp0(a->var, b->var);
}
static GSList *
_form_get_non_form_type_fields_sorted(DataForm *form)
{
GSList *sorted = NULL;
GSList *curr = form->fields;
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, "FORM_TYPE") != 0) {
sorted = g_slist_insert_sorted(sorted, field, (GCompareFunc)_field_compare_by_var);
}
curr = g_slist_next(curr);
}
return sorted;
}
static GSList *
_form_get_field_values_sorted(FormField *field)
{
GSList *sorted = NULL;
GSList *curr = field->values;
while (curr) {
char *value = curr->data;
if (value) {
sorted = g_slist_insert_sorted(sorted, value, (GCompareFunc)g_strcmp0);
}
curr = g_slist_next(curr);
}
return sorted;
}
static char *
_form_get_form_type_field(DataForm *form)
{
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, "FORM_TYPE") == 0) {
return field->values->data;
@ -412,7 +450,7 @@ _form_tag_exists(DataForm *form, const char * const tag)
{
GList *tags = g_hash_table_get_keys(form->tag_to_var);
GList *curr = tags;
while (curr != NULL) {
while (curr) {
if (g_strcmp0(curr->data, tag) == 0) {
return TRUE;
}
@ -425,9 +463,9 @@ static form_field_type_t
_form_get_field_type(DataForm *form, const char * const tag)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
return field->type_t;
@ -442,9 +480,9 @@ static void
_form_set_value(DataForm *form, const char * const tag, char *value)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
if (g_slist_length(field->values) == 0) {
@ -467,9 +505,9 @@ static void
_form_add_value(DataForm *form, const char * const tag, char *value)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
field->values = g_slist_append(field->values, strdup(value));
@ -492,13 +530,13 @@ static gboolean
_form_add_unique_value(DataForm *form, const char * const tag, char *value)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
GSList *curr_value = field->values;
while (curr_value != NULL) {
while (curr_value) {
if (g_strcmp0(curr_value->data, value) == 0) {
return FALSE;
}
@ -523,13 +561,13 @@ static gboolean
_form_remove_value(DataForm *form, const char * const tag, char *value)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
GSList *found = g_slist_find_custom(field->values, value, (GCompareFunc)g_strcmp0);
if (found != NULL) {
if (found) {
free(found->data);
found->data = NULL;
field->values = g_slist_delete_link(field->values, found);
@ -554,13 +592,13 @@ _form_remove_text_multi_value(DataForm *form, const char * const tag, int index)
{
index--;
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
GSList *item = g_slist_nth(field->values, index);
if (item != NULL) {
if (item) {
free(item->data);
item->data = NULL;
field->values = g_slist_delete_link(field->values, item);
@ -585,9 +623,9 @@ static int
_form_get_value_count(DataForm *form, const char * const tag)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
if ((g_slist_length(field->values) == 1) && (field->values->data == NULL)) {
@ -607,13 +645,13 @@ static gboolean
_form_field_contains_option(DataForm *form, const char * const tag, char *value)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
GSList *curr_option = field->options;
while (curr_option != NULL) {
while (curr_option) {
FormOption *option = curr_option->data;
if (g_strcmp0(option->value, value) == 0) {
return TRUE;
@ -632,9 +670,9 @@ static FormField *
_form_get_field_by_tag(DataForm *form, const char * const tag)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
return field;
@ -649,9 +687,9 @@ static Autocomplete
_form_get_value_ac(DataForm *form, const char * const tag)
{
char *var = g_hash_table_lookup(form->tag_to_var, tag);
if (var != NULL) {
if (var) {
GSList *curr = form->fields;
while (curr != NULL) {
while (curr) {
FormField *field = curr->data;
if (g_strcmp0(field->var, var) == 0) {
return field->value_ac;
@ -691,4 +729,6 @@ form_init_module(void)
form_get_value_ac = _form_get_value_ac;
form_get_field_by_tag = _form_get_field_by_tag;
form_reset_autocompleters = _form_reset_autocompleters;
form_get_non_form_type_fields_sorted = _form_get_non_form_type_fields_sorted;
form_get_field_values_sorted = _form_get_field_values_sorted;
}

3
src/xmpp/xmpp.h
View File

@ -226,4 +226,7 @@ FormField* (*form_get_field_by_tag)(DataForm *form, const char * const tag);
Autocomplete (*form_get_value_ac)(DataForm *form, const char * const tag);
void (*form_reset_autocompleters)(DataForm *form);
GSList * (*form_get_non_form_type_fields_sorted)(DataForm *form);
GSList * (*form_get_field_values_sorted)(FormField *field);
#endif